Home / 8,272.60-11,418.17-4,737.89

Finding the Fourth Proportional to 8,272.60, 11,418.17 and 4,737.89

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Solution

The fourth proportional to 8,272.60, 11,418.17 and 4,737.89 is: 6,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.60 : 11,418.17 = 4,737.89 : x
  2. Step 2: Convert to fraction form
    8,272.60/11,418.17 = 4,737.89/x
  3. Step 3: Cross multiply
    8,272.60x = 11,418.17 × 4,737.89
  4. Step 4: Simplify right side
    8,272.60x = 54,098,038.32
  5. Step 5: Solve for x
    x = 54,098,038.32/8,272.60
  6. Step 6: Final answer
    x = 6,539.43

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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.