Home / 8,610.55-12,923.91-4,231.15

Finding the Fourth Proportional to 8,610.55, 12,923.91 and 4,231.15

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Solution

The fourth proportional to 8,610.55, 12,923.91 and 4,231.15 is: 6,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.55 : 12,923.91 = 4,231.15 : x
  2. Step 2: Convert to fraction form
    8,610.55/12,923.91 = 4,231.15/x
  3. Step 3: Cross multiply
    8,610.55x = 12,923.91 × 4,231.15
  4. Step 4: Simplify right side
    8,610.55x = 54,683,001.80
  5. Step 5: Solve for x
    x = 54,683,001.80/8,610.55
  6. Step 6: Final answer
    x = 6,350.70

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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.