Home / 4,972.39-7,449.57-3,578.18

Finding the Fourth Proportional to 4,972.39, 7,449.57 and 3,578.18

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Solution

The fourth proportional to 4,972.39, 7,449.57 and 3,578.18 is: 5,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.39 : 7,449.57 = 3,578.18 : x
  2. Step 2: Convert to fraction form
    4,972.39/7,449.57 = 3,578.18/x
  3. Step 3: Cross multiply
    4,972.39x = 7,449.57 × 3,578.18
  4. Step 4: Simplify right side
    4,972.39x = 26,655,865.13
  5. Step 5: Solve for x
    x = 26,655,865.13/4,972.39
  6. Step 6: Final answer
    x = 5,360.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.