Home / 8,158.08-12,233.40-5,694

Finding the Fourth Proportional to 8,158.08, 12,233.40 and 5,694

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Solution

The fourth proportional to 8,158.08, 12,233.40 and 5,694 is: 8,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.08 : 12,233.40 = 5,694 : x
  2. Step 2: Convert to fraction form
    8,158.08/12,233.40 = 5,694/x
  3. Step 3: Cross multiply
    8,158.08x = 12,233.40 × 5,694
  4. Step 4: Simplify right side
    8,158.08x = 69,656,979.60
  5. Step 5: Solve for x
    x = 69,656,979.60/8,158.08
  6. Step 6: Final answer
    x = 8,538.40

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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.