Home / 9,127.39-13,682.88-3,279.91

Finding the Fourth Proportional to 9,127.39, 13,682.88 and 3,279.91

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Solution

The fourth proportional to 9,127.39, 13,682.88 and 3,279.91 is: 4,916.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.39 : 13,682.88 = 3,279.91 : x
  2. Step 2: Convert to fraction form
    9,127.39/13,682.88 = 3,279.91/x
  3. Step 3: Cross multiply
    9,127.39x = 13,682.88 × 3,279.91
  4. Step 4: Simplify right side
    9,127.39x = 44,878,614.94
  5. Step 5: Solve for x
    x = 44,878,614.94/9,127.39
  6. Step 6: Final answer
    x = 4,916.92

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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.