Home / 8,001.34-12,000.62-3,617.78

Finding the Fourth Proportional to 8,001.34, 12,000.62 and 3,617.78

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Solution

The fourth proportional to 8,001.34, 12,000.62 and 3,617.78 is: 5,426.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.34 : 12,000.62 = 3,617.78 : x
  2. Step 2: Convert to fraction form
    8,001.34/12,000.62 = 3,617.78/x
  3. Step 3: Cross multiply
    8,001.34x = 12,000.62 × 3,617.78
  4. Step 4: Simplify right side
    8,001.34x = 43,415,552.06
  5. Step 5: Solve for x
    x = 43,415,552.06/8,001.34
  6. Step 6: Final answer
    x = 5,426.04

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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.