Home / 7,621.83-11,432.75-2,427.71

Finding the Fourth Proportional to 7,621.83, 11,432.75 and 2,427.71

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Solution

The fourth proportional to 7,621.83, 11,432.75 and 2,427.71 is: 3,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.83 : 11,432.75 = 2,427.71 : x
  2. Step 2: Convert to fraction form
    7,621.83/11,432.75 = 2,427.71/x
  3. Step 3: Cross multiply
    7,621.83x = 11,432.75 × 2,427.71
  4. Step 4: Simplify right side
    7,621.83x = 27,755,332.20
  5. Step 5: Solve for x
    x = 27,755,332.20/7,621.83
  6. Step 6: Final answer
    x = 3,641.56

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.