Home / 8,541.98-12,814.50-3,864.18

Finding the Fourth Proportional to 8,541.98, 12,814.50 and 3,864.18

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Solution

The fourth proportional to 8,541.98, 12,814.50 and 3,864.18 is: 5,796.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.98 : 12,814.50 = 3,864.18 : x
  2. Step 2: Convert to fraction form
    8,541.98/12,814.50 = 3,864.18/x
  3. Step 3: Cross multiply
    8,541.98x = 12,814.50 × 3,864.18
  4. Step 4: Simplify right side
    8,541.98x = 49,517,534.61
  5. Step 5: Solve for x
    x = 49,517,534.61/8,541.98
  6. Step 6: Final answer
    x = 5,796.97

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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.