Home / 8,088.62-12,128.14-3,152.49

Finding the Fourth Proportional to 8,088.62, 12,128.14 and 3,152.49

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Solution

The fourth proportional to 8,088.62, 12,128.14 and 3,152.49 is: 4,726.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.62 : 12,128.14 = 3,152.49 : x
  2. Step 2: Convert to fraction form
    8,088.62/12,128.14 = 3,152.49/x
  3. Step 3: Cross multiply
    8,088.62x = 12,128.14 × 3,152.49
  4. Step 4: Simplify right side
    8,088.62x = 38,233,849.02
  5. Step 5: Solve for x
    x = 38,233,849.02/8,088.62
  6. Step 6: Final answer
    x = 4,726.87

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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.