Home / 8,760.66-13,108.05-5,237.70

Finding the Fourth Proportional to 8,760.66, 13,108.05 and 5,237.70

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Solution

The fourth proportional to 8,760.66, 13,108.05 and 5,237.70 is: 7,836.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.66 : 13,108.05 = 5,237.70 : x
  2. Step 2: Convert to fraction form
    8,760.66/13,108.05 = 5,237.70/x
  3. Step 3: Cross multiply
    8,760.66x = 13,108.05 × 5,237.70
  4. Step 4: Simplify right side
    8,760.66x = 68,656,033.49
  5. Step 5: Solve for x
    x = 68,656,033.49/8,760.66
  6. Step 6: Final answer
    x = 7,836.86

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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.