Home / 7,542.31-11,309.28-3,592.21

Finding the Fourth Proportional to 7,542.31, 11,309.28 and 3,592.21

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Solution

The fourth proportional to 7,542.31, 11,309.28 and 3,592.21 is: 5,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.31 : 11,309.28 = 3,592.21 : x
  2. Step 2: Convert to fraction form
    7,542.31/11,309.28 = 3,592.21/x
  3. Step 3: Cross multiply
    7,542.31x = 11,309.28 × 3,592.21
  4. Step 4: Simplify right side
    7,542.31x = 40,625,308.71
  5. Step 5: Solve for x
    x = 40,625,308.71/7,542.31
  6. Step 6: Final answer
    x = 5,386.32

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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.