Home / 7,338.76-10,127.32-4,194.76

Finding the Fourth Proportional to 7,338.76, 10,127.32 and 4,194.76

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Solution

The fourth proportional to 7,338.76, 10,127.32 and 4,194.76 is: 5,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.76 : 10,127.32 = 4,194.76 : x
  2. Step 2: Convert to fraction form
    7,338.76/10,127.32 = 4,194.76/x
  3. Step 3: Cross multiply
    7,338.76x = 10,127.32 × 4,194.76
  4. Step 4: Simplify right side
    7,338.76x = 42,481,676.84
  5. Step 5: Solve for x
    x = 42,481,676.84/7,338.76
  6. Step 6: Final answer
    x = 5,788.67

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Find fourth proportional to 3,669.38, 5,063.66 and 2,097.38
Half scale
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Double scale
Find fourth proportional to 7,339.76, 10,128.70 and 4,195.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.