Home / 8,001.73-12,003.05-2,158.80

Finding the Fourth Proportional to 8,001.73, 12,003.05 and 2,158.80

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Solution

The fourth proportional to 8,001.73, 12,003.05 and 2,158.80 is: 3,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.73 : 12,003.05 = 2,158.80 : x
  2. Step 2: Convert to fraction form
    8,001.73/12,003.05 = 2,158.80/x
  3. Step 3: Cross multiply
    8,001.73x = 12,003.05 × 2,158.80
  4. Step 4: Simplify right side
    8,001.73x = 25,912,184.34
  5. Step 5: Solve for x
    x = 25,912,184.34/8,001.73
  6. Step 6: Final answer
    x = 3,238.32

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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.