Home / 5,781.38-7,979.19-3,264.50

Finding the Fourth Proportional to 5,781.38, 7,979.19 and 3,264.50

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Solution

The fourth proportional to 5,781.38, 7,979.19 and 3,264.50 is: 4,505.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.38 : 7,979.19 = 3,264.50 : x
  2. Step 2: Convert to fraction form
    5,781.38/7,979.19 = 3,264.50/x
  3. Step 3: Cross multiply
    5,781.38x = 7,979.19 × 3,264.50
  4. Step 4: Simplify right side
    5,781.38x = 26,048,065.76
  5. Step 5: Solve for x
    x = 26,048,065.76/5,781.38
  6. Step 6: Final answer
    x = 4,505.51

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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.