Home / 9,125.68-13,679.18-4,198.90

Finding the Fourth Proportional to 9,125.68, 13,679.18 and 4,198.90

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Solution

The fourth proportional to 9,125.68, 13,679.18 and 4,198.90 is: 6,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.68 : 13,679.18 = 4,198.90 : x
  2. Step 2: Convert to fraction form
    9,125.68/13,679.18 = 4,198.90/x
  3. Step 3: Cross multiply
    9,125.68x = 13,679.18 × 4,198.90
  4. Step 4: Simplify right side
    9,125.68x = 57,437,508.90
  5. Step 5: Solve for x
    x = 57,437,508.90/9,125.68
  6. Step 6: Final answer
    x = 6,294.05

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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.