Home / 8,766.30-13,149.45-4,158.30

Finding the Fourth Proportional to 8,766.30, 13,149.45 and 4,158.30

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Solution

The fourth proportional to 8,766.30, 13,149.45 and 4,158.30 is: 6,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.30 : 13,149.45 = 4,158.30 : x
  2. Step 2: Convert to fraction form
    8,766.30/13,149.45 = 4,158.30/x
  3. Step 3: Cross multiply
    8,766.30x = 13,149.45 × 4,158.30
  4. Step 4: Simplify right side
    8,766.30x = 54,679,357.94
  5. Step 5: Solve for x
    x = 54,679,357.94/8,766.30
  6. Step 6: Final answer
    x = 6,237.45

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Similar ratio
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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.