Home / 7,550.20-10,419.12-4,193.20

Finding the Fourth Proportional to 7,550.20, 10,419.12 and 4,193.20

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Solution

The fourth proportional to 7,550.20, 10,419.12 and 4,193.20 is: 5,786.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.20 : 10,419.12 = 4,193.20 : x
  2. Step 2: Convert to fraction form
    7,550.20/10,419.12 = 4,193.20/x
  3. Step 3: Cross multiply
    7,550.20x = 10,419.12 × 4,193.20
  4. Step 4: Simplify right side
    7,550.20x = 43,689,453.98
  5. Step 5: Solve for x
    x = 43,689,453.98/7,550.20
  6. Step 6: Final answer
    x = 5,786.53

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Half scale
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Double scale
Find fourth proportional to 7,551.20, 10,420.50 and 4,194.20
Similar ratio
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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.