Home / 8,863.68-12,231.36-5,087.44

Finding the Fourth Proportional to 8,863.68, 12,231.36 and 5,087.44

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Solution

The fourth proportional to 8,863.68, 12,231.36 and 5,087.44 is: 7,020.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.68 : 12,231.36 = 5,087.44 : x
  2. Step 2: Convert to fraction form
    8,863.68/12,231.36 = 5,087.44/x
  3. Step 3: Cross multiply
    8,863.68x = 12,231.36 × 5,087.44
  4. Step 4: Simplify right side
    8,863.68x = 62,226,310.12
  5. Step 5: Solve for x
    x = 62,226,310.12/8,863.68
  6. Step 6: Final answer
    x = 7,020.37

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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.