Home / 6,899.28-9,521.04-3,755.46

Finding the Fourth Proportional to 6,899.28, 9,521.04 and 3,755.46

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Solution

The fourth proportional to 6,899.28, 9,521.04 and 3,755.46 is: 5,182.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.28 : 9,521.04 = 3,755.46 : x
  2. Step 2: Convert to fraction form
    6,899.28/9,521.04 = 3,755.46/x
  3. Step 3: Cross multiply
    6,899.28x = 9,521.04 × 3,755.46
  4. Step 4: Simplify right side
    6,899.28x = 35,755,884.88
  5. Step 5: Solve for x
    x = 35,755,884.88/6,899.28
  6. Step 6: Final answer
    x = 5,182.55

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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.