Home / 8,737.49-13,102.19-2,813.28

Finding the Fourth Proportional to 8,737.49, 13,102.19 and 2,813.28

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Solution

The fourth proportional to 8,737.49, 13,102.19 and 2,813.28 is: 4,218.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.49 : 13,102.19 = 2,813.28 : x
  2. Step 2: Convert to fraction form
    8,737.49/13,102.19 = 2,813.28/x
  3. Step 3: Cross multiply
    8,737.49x = 13,102.19 × 2,813.28
  4. Step 4: Simplify right side
    8,737.49x = 36,860,115.02
  5. Step 5: Solve for x
    x = 36,860,115.02/8,737.49
  6. Step 6: Final answer
    x = 4,218.62

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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.