Home / 7,781.43-10,738.45-4,244.71

Finding the Fourth Proportional to 7,781.43, 10,738.45 and 4,244.71

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Solution

The fourth proportional to 7,781.43, 10,738.45 and 4,244.71 is: 5,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781.43 : 10,738.45 = 4,244.71 : x
  2. Step 2: Convert to fraction form
    7,781.43/10,738.45 = 4,244.71/x
  3. Step 3: Cross multiply
    7,781.43x = 10,738.45 × 4,244.71
  4. Step 4: Simplify right side
    7,781.43x = 45,581,584.88
  5. Step 5: Solve for x
    x = 45,581,584.88/7,781.43
  6. Step 6: Final answer
    x = 5,857.74

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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.