Home / 8,506.38-12,760.89-4,344.15

Finding the Fourth Proportional to 8,506.38, 12,760.89 and 4,344.15

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Solution

The fourth proportional to 8,506.38, 12,760.89 and 4,344.15 is: 6,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.38 : 12,760.89 = 4,344.15 : x
  2. Step 2: Convert to fraction form
    8,506.38/12,760.89 = 4,344.15/x
  3. Step 3: Cross multiply
    8,506.38x = 12,760.89 × 4,344.15
  4. Step 4: Simplify right side
    8,506.38x = 55,435,220.29
  5. Step 5: Solve for x
    x = 55,435,220.29/8,506.38
  6. Step 6: Final answer
    x = 6,516.90

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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.