Home / 6,899.48-9,521.19-3,755.66

Finding the Fourth Proportional to 6,899.48, 9,521.19 and 3,755.66

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Solution

The fourth proportional to 6,899.48, 9,521.19 and 3,755.66 is: 5,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.48 : 9,521.19 = 3,755.66 : x
  2. Step 2: Convert to fraction form
    6,899.48/9,521.19 = 3,755.66/x
  3. Step 3: Cross multiply
    6,899.48x = 9,521.19 × 3,755.66
  4. Step 4: Simplify right side
    6,899.48x = 35,758,352.44
  5. Step 5: Solve for x
    x = 35,758,352.44/6,899.48
  6. Step 6: Final answer
    x = 5,182.76

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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.