Home / 5,397.20-8,097.72-2,321.36

Finding the Fourth Proportional to 5,397.20, 8,097.72 and 2,321.36

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Solution

The fourth proportional to 5,397.20, 8,097.72 and 2,321.36 is: 3,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.20 : 8,097.72 = 2,321.36 : x
  2. Step 2: Convert to fraction form
    5,397.20/8,097.72 = 2,321.36/x
  3. Step 3: Cross multiply
    5,397.20x = 8,097.72 × 2,321.36
  4. Step 4: Simplify right side
    5,397.20x = 18,797,723.30
  5. Step 5: Solve for x
    x = 18,797,723.30/5,397.20
  6. Step 6: Final answer
    x = 3,482.87

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1.5x scale

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.