Home / 8,737.40-12,061.50-5,201.84

Finding the Fourth Proportional to 8,737.40, 12,061.50 and 5,201.84

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Solution

The fourth proportional to 8,737.40, 12,061.50 and 5,201.84 is: 7,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.40 : 12,061.50 = 5,201.84 : x
  2. Step 2: Convert to fraction form
    8,737.40/12,061.50 = 5,201.84/x
  3. Step 3: Cross multiply
    8,737.40x = 12,061.50 × 5,201.84
  4. Step 4: Simplify right side
    8,737.40x = 62,741,993.16
  5. Step 5: Solve for x
    x = 62,741,993.16/8,737.40
  6. Step 6: Final answer
    x = 7,180.85

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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.