Home / 9,850.40-13,589.26-6,488.90

Finding the Fourth Proportional to 9,850.40, 13,589.26 and 6,488.90

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Solution

The fourth proportional to 9,850.40, 13,589.26 and 6,488.90 is: 8,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,850.40 : 13,589.26 = 6,488.90 : x
  2. Step 2: Convert to fraction form
    9,850.40/13,589.26 = 6,488.90/x
  3. Step 3: Cross multiply
    9,850.40x = 13,589.26 × 6,488.90
  4. Step 4: Simplify right side
    9,850.40x = 88,179,265.05
  5. Step 5: Solve for x
    x = 88,179,265.05/9,850.40
  6. Step 6: Final answer
    x = 8,951.85

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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.