Home / 8,001.44-12,002.38-2,158.03

Finding the Fourth Proportional to 8,001.44, 12,002.38 and 2,158.03

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Solution

The fourth proportional to 8,001.44, 12,002.38 and 2,158.03 is: 3,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.44 : 12,002.38 = 2,158.03 : x
  2. Step 2: Convert to fraction form
    8,001.44/12,002.38 = 2,158.03/x
  3. Step 3: Cross multiply
    8,001.44x = 12,002.38 × 2,158.03
  4. Step 4: Simplify right side
    8,001.44x = 25,901,505.72
  5. Step 5: Solve for x
    x = 25,901,505.72/8,001.44
  6. Step 6: Final answer
    x = 3,237.11

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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.