Home / 7,167.30-9,891.36-5,396.10

Finding the Fourth Proportional to 7,167.30, 9,891.36 and 5,396.10

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Solution

The fourth proportional to 7,167.30, 9,891.36 and 5,396.10 is: 7,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.30 : 9,891.36 = 5,396.10 : x
  2. Step 2: Convert to fraction form
    7,167.30/9,891.36 = 5,396.10/x
  3. Step 3: Cross multiply
    7,167.30x = 9,891.36 × 5,396.10
  4. Step 4: Simplify right side
    7,167.30x = 53,374,767.70
  5. Step 5: Solve for x
    x = 53,374,767.70/7,167.30
  6. Step 6: Final answer
    x = 7,446.98

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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.