Home / 9,251.45-13,878.05-2,587.95

Finding the Fourth Proportional to 9,251.45, 13,878.05 and 2,587.95

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Solution

The fourth proportional to 9,251.45, 13,878.05 and 2,587.95 is: 3,882.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.45 : 13,878.05 = 2,587.95 : x
  2. Step 2: Convert to fraction form
    9,251.45/13,878.05 = 2,587.95/x
  3. Step 3: Cross multiply
    9,251.45x = 13,878.05 × 2,587.95
  4. Step 4: Simplify right side
    9,251.45x = 35,915,644.22
  5. Step 5: Solve for x
    x = 35,915,644.22/9,251.45
  6. Step 6: Final answer
    x = 3,882.16

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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.