Home / 4,127.32-5,691.90-3,829.24

Finding the Fourth Proportional to 4,127.32, 5,691.90 and 3,829.24

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Solution

The fourth proportional to 4,127.32, 5,691.90 and 3,829.24 is: 5,280.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.32 : 5,691.90 = 3,829.24 : x
  2. Step 2: Convert to fraction form
    4,127.32/5,691.90 = 3,829.24/x
  3. Step 3: Cross multiply
    4,127.32x = 5,691.90 × 3,829.24
  4. Step 4: Simplify right side
    4,127.32x = 21,795,651.16
  5. Step 5: Solve for x
    x = 21,795,651.16/4,127.32
  6. Step 6: Final answer
    x = 5,280.82

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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.