Home / 5,187.11-7,158.20-2,829.24

Finding the Fourth Proportional to 5,187.11, 7,158.20 and 2,829.24

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Solution

The fourth proportional to 5,187.11, 7,158.20 and 2,829.24 is: 3,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.11 : 7,158.20 = 2,829.24 : x
  2. Step 2: Convert to fraction form
    5,187.11/7,158.20 = 2,829.24/x
  3. Step 3: Cross multiply
    5,187.11x = 7,158.20 × 2,829.24
  4. Step 4: Simplify right side
    5,187.11x = 20,252,251.62
  5. Step 5: Solve for x
    x = 20,252,251.62/5,187.11
  6. Step 6: Final answer
    x = 3,904.35

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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.