Home / 7,731.58-10,669.62-4,194.76

Finding the Fourth Proportional to 7,731.58, 10,669.62 and 4,194.76

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Solution

The fourth proportional to 7,731.58, 10,669.62 and 4,194.76 is: 5,788.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.58 : 10,669.62 = 4,194.76 : x
  2. Step 2: Convert to fraction form
    7,731.58/10,669.62 = 4,194.76/x
  3. Step 3: Cross multiply
    7,731.58x = 10,669.62 × 4,194.76
  4. Step 4: Simplify right side
    7,731.58x = 44,756,495.19
  5. Step 5: Solve for x
    x = 44,756,495.19/7,731.58
  6. Step 6: Final answer
    x = 5,788.79

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Half scale
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Double scale
Find fourth proportional to 7,732.58, 10,671 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.