Home / 8,865.16-12,231.96-5,137

Finding the Fourth Proportional to 8,865.16, 12,231.96 and 5,137

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Solution

The fourth proportional to 8,865.16, 12,231.96 and 5,137 is: 7,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.16 : 12,231.96 = 5,137 : x
  2. Step 2: Convert to fraction form
    8,865.16/12,231.96 = 5,137/x
  3. Step 3: Cross multiply
    8,865.16x = 12,231.96 × 5,137
  4. Step 4: Simplify right side
    8,865.16x = 62,835,578.52
  5. Step 5: Solve for x
    x = 62,835,578.52/8,865.16
  6. Step 6: Final answer
    x = 7,087.92

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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.