Home / 5,101.12-7,040.25-2,863.13

Finding the Fourth Proportional to 5,101.12, 7,040.25 and 2,863.13

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Solution

The fourth proportional to 5,101.12, 7,040.25 and 2,863.13 is: 3,951.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.12 : 7,040.25 = 2,863.13 : x
  2. Step 2: Convert to fraction form
    5,101.12/7,040.25 = 2,863.13/x
  3. Step 3: Cross multiply
    5,101.12x = 7,040.25 × 2,863.13
  4. Step 4: Simplify right side
    5,101.12x = 20,157,101.47
  5. Step 5: Solve for x
    x = 20,157,101.47/5,101.12
  6. Step 6: Final answer
    x = 3,951.51

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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.