Home / 8,541.90-12,812.31-3,862.26

Finding the Fourth Proportional to 8,541.90, 12,812.31 and 3,862.26

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Solution

The fourth proportional to 8,541.90, 12,812.31 and 3,862.26 is: 5,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.90 : 12,812.31 = 3,862.26 : x
  2. Step 2: Convert to fraction form
    8,541.90/12,812.31 = 3,862.26/x
  3. Step 3: Cross multiply
    8,541.90x = 12,812.31 × 3,862.26
  4. Step 4: Simplify right side
    8,541.90x = 49,484,472.42
  5. Step 5: Solve for x
    x = 49,484,472.42/8,541.90
  6. Step 6: Final answer
    x = 5,793.15

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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.