Home / 6,545.71-9,032.58-3,857.15

Finding the Fourth Proportional to 6,545.71, 9,032.58 and 3,857.15

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Solution

The fourth proportional to 6,545.71, 9,032.58 and 3,857.15 is: 5,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.71 : 9,032.58 = 3,857.15 : x
  2. Step 2: Convert to fraction form
    6,545.71/9,032.58 = 3,857.15/x
  3. Step 3: Cross multiply
    6,545.71x = 9,032.58 × 3,857.15
  4. Step 4: Simplify right side
    6,545.71x = 34,840,038.53
  5. Step 5: Solve for x
    x = 34,840,038.53/6,545.71
  6. Step 6: Final answer
    x = 5,322.57

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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.