Home / 8,627.14-12,937.51-3,079

Finding the Fourth Proportional to 8,627.14, 12,937.51 and 3,079

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Solution

The fourth proportional to 8,627.14, 12,937.51 and 3,079 is: 4,617.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.14 : 12,937.51 = 3,079 : x
  2. Step 2: Convert to fraction form
    8,627.14/12,937.51 = 3,079/x
  3. Step 3: Cross multiply
    8,627.14x = 12,937.51 × 3,079
  4. Step 4: Simplify right side
    8,627.14x = 39,834,593.29
  5. Step 5: Solve for x
    x = 39,834,593.29/8,627.14
  6. Step 6: Final answer
    x = 4,617.36

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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.