Home / 5,150.97-7,726.39-1,255.41

Finding the Fourth Proportional to 5,150.97, 7,726.39 and 1,255.41

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Solution

The fourth proportional to 5,150.97, 7,726.39 and 1,255.41 is: 1,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.97 : 7,726.39 = 1,255.41 : x
  2. Step 2: Convert to fraction form
    5,150.97/7,726.39 = 1,255.41/x
  3. Step 3: Cross multiply
    5,150.97x = 7,726.39 × 1,255.41
  4. Step 4: Simplify right side
    5,150.97x = 9,699,784.13
  5. Step 5: Solve for x
    x = 9,699,784.13/5,150.97
  6. Step 6: Final answer
    x = 1,883.10

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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.