Home / 8,431.13-12,647.06-2,587.97

Finding the Fourth Proportional to 8,431.13, 12,647.06 and 2,587.97

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Solution

The fourth proportional to 8,431.13, 12,647.06 and 2,587.97 is: 3,882.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.13 : 12,647.06 = 2,587.97 : x
  2. Step 2: Convert to fraction form
    8,431.13/12,647.06 = 2,587.97/x
  3. Step 3: Cross multiply
    8,431.13x = 12,647.06 × 2,587.97
  4. Step 4: Simplify right side
    8,431.13x = 32,730,211.87
  5. Step 5: Solve for x
    x = 32,730,211.87/8,431.13
  6. Step 6: Final answer
    x = 3,882.07

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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.