Home / 8,916.14-12,304.19-5,137.92

Finding the Fourth Proportional to 8,916.14, 12,304.19 and 5,137.92

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Solution

The fourth proportional to 8,916.14, 12,304.19 and 5,137.92 is: 7,090.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.14 : 12,304.19 = 5,137.92 : x
  2. Step 2: Convert to fraction form
    8,916.14/12,304.19 = 5,137.92/x
  3. Step 3: Cross multiply
    8,916.14x = 12,304.19 × 5,137.92
  4. Step 4: Simplify right side
    8,916.14x = 63,217,956.73
  5. Step 5: Solve for x
    x = 63,217,956.73/8,916.14
  6. Step 6: Final answer
    x = 7,090.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.