Home / 6,899.38-9,521.33-3,755.70

Finding the Fourth Proportional to 6,899.38, 9,521.33 and 3,755.70

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Solution

The fourth proportional to 6,899.38, 9,521.33 and 3,755.70 is: 5,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.38 : 9,521.33 = 3,755.70 : x
  2. Step 2: Convert to fraction form
    6,899.38/9,521.33 = 3,755.70/x
  3. Step 3: Cross multiply
    6,899.38x = 9,521.33 × 3,755.70
  4. Step 4: Simplify right side
    6,899.38x = 35,759,259.08
  5. Step 5: Solve for x
    x = 35,759,259.08/6,899.38
  6. Step 6: Final answer
    x = 5,182.97

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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.