Home / 5,146.46-7,102.24-3,158.11

Finding the Fourth Proportional to 5,146.46, 7,102.24 and 3,158.11

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Solution

The fourth proportional to 5,146.46, 7,102.24 and 3,158.11 is: 4,358.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.46 : 7,102.24 = 3,158.11 : x
  2. Step 2: Convert to fraction form
    5,146.46/7,102.24 = 3,158.11/x
  3. Step 3: Cross multiply
    5,146.46x = 7,102.24 × 3,158.11
  4. Step 4: Simplify right side
    5,146.46x = 22,429,629.52
  5. Step 5: Solve for x
    x = 22,429,629.52/5,146.46
  6. Step 6: Final answer
    x = 4,358.27

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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.