Home / 8,737.20-13,105.80-6,266.80

Finding the Fourth Proportional to 8,737.20, 13,105.80 and 6,266.80

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Solution

The fourth proportional to 8,737.20, 13,105.80 and 6,266.80 is: 9,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.20 : 13,105.80 = 6,266.80 : x
  2. Step 2: Convert to fraction form
    8,737.20/13,105.80 = 6,266.80/x
  3. Step 3: Cross multiply
    8,737.20x = 13,105.80 × 6,266.80
  4. Step 4: Simplify right side
    8,737.20x = 82,131,427.44
  5. Step 5: Solve for x
    x = 82,131,427.44/8,737.20
  6. Step 6: Final answer
    x = 9,400.20

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1.5x scale

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.