Home / 8,371.56-12,557.34-3,992.07

Finding the Fourth Proportional to 8,371.56, 12,557.34 and 3,992.07

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Solution

The fourth proportional to 8,371.56, 12,557.34 and 3,992.07 is: 5,988.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.56 : 12,557.34 = 3,992.07 : x
  2. Step 2: Convert to fraction form
    8,371.56/12,557.34 = 3,992.07/x
  3. Step 3: Cross multiply
    8,371.56x = 12,557.34 × 3,992.07
  4. Step 4: Simplify right side
    8,371.56x = 50,129,780.29
  5. Step 5: Solve for x
    x = 50,129,780.29/8,371.56
  6. Step 6: Final answer
    x = 5,988.11

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Double scale
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Similar ratio
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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.