Home / 7,295.39-10,067.87-4,151.78

Finding the Fourth Proportional to 7,295.39, 10,067.87 and 4,151.78

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Solution

The fourth proportional to 7,295.39, 10,067.87 and 4,151.78 is: 5,729.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.39 : 10,067.87 = 4,151.78 : x
  2. Step 2: Convert to fraction form
    7,295.39/10,067.87 = 4,151.78/x
  3. Step 3: Cross multiply
    7,295.39x = 10,067.87 × 4,151.78
  4. Step 4: Simplify right side
    7,295.39x = 41,799,581.31
  5. Step 5: Solve for x
    x = 41,799,581.31/7,295.39
  6. Step 6: Final answer
    x = 5,729.59

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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.