Home / 4,147.47-5,722.32-2,378.97

Finding the Fourth Proportional to 4,147.47, 5,722.32 and 2,378.97

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Solution

The fourth proportional to 4,147.47, 5,722.32 and 2,378.97 is: 3,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.47 : 5,722.32 = 2,378.97 : x
  2. Step 2: Convert to fraction form
    4,147.47/5,722.32 = 2,378.97/x
  3. Step 3: Cross multiply
    4,147.47x = 5,722.32 × 2,378.97
  4. Step 4: Simplify right side
    4,147.47x = 13,613,227.61
  5. Step 5: Solve for x
    x = 13,613,227.61/4,147.47
  6. Step 6: Final answer
    x = 3,282.30

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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.