Home / 6,545.21-9,032.31-3,892.66

Finding the Fourth Proportional to 6,545.21, 9,032.31 and 3,892.66

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Solution

The fourth proportional to 6,545.21, 9,032.31 and 3,892.66 is: 5,371.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.21 : 9,032.31 = 3,892.66 : x
  2. Step 2: Convert to fraction form
    6,545.21/9,032.31 = 3,892.66/x
  3. Step 3: Cross multiply
    6,545.21x = 9,032.31 × 3,892.66
  4. Step 4: Simplify right side
    6,545.21x = 35,159,689.26
  5. Step 5: Solve for x
    x = 35,159,689.26/6,545.21
  6. Step 6: Final answer
    x = 5,371.82

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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.