Home / 6,899.90-9,517.92-4,245.44

Finding the Fourth Proportional to 6,899.90, 9,517.92 and 4,245.44

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Solution

The fourth proportional to 6,899.90, 9,517.92 and 4,245.44 is: 5,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.90 : 9,517.92 = 4,245.44 : x
  2. Step 2: Convert to fraction form
    6,899.90/9,517.92 = 4,245.44/x
  3. Step 3: Cross multiply
    6,899.90x = 9,517.92 × 4,245.44
  4. Step 4: Simplify right side
    6,899.90x = 40,407,758.28
  5. Step 5: Solve for x
    x = 40,407,758.28/6,899.90
  6. Step 6: Final answer
    x = 5,856.28

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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.