Home / 8,867.18-12,233.61-5,087.72

Finding the Fourth Proportional to 8,867.18, 12,233.61 and 5,087.72

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Solution

The fourth proportional to 8,867.18, 12,233.61 and 5,087.72 is: 7,019.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.18 : 12,233.61 = 5,087.72 : x
  2. Step 2: Convert to fraction form
    8,867.18/12,233.61 = 5,087.72/x
  3. Step 3: Cross multiply
    8,867.18x = 12,233.61 × 5,087.72
  4. Step 4: Simplify right side
    8,867.18x = 62,241,121.10
  5. Step 5: Solve for x
    x = 62,241,121.10/8,867.18
  6. Step 6: Final answer
    x = 7,019.27

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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.