Home / 8,589.17-12,888.14-4,091.31

Finding the Fourth Proportional to 8,589.17, 12,888.14 and 4,091.31

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Solution

The fourth proportional to 8,589.17, 12,888.14 and 4,091.31 is: 6,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.17 : 12,888.14 = 4,091.31 : x
  2. Step 2: Convert to fraction form
    8,589.17/12,888.14 = 4,091.31/x
  3. Step 3: Cross multiply
    8,589.17x = 12,888.14 × 4,091.31
  4. Step 4: Simplify right side
    8,589.17x = 52,729,355.61
  5. Step 5: Solve for x
    x = 52,729,355.61/8,589.17
  6. Step 6: Final answer
    x = 6,139.05

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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.