Home / 5,149.17-7,723.45-2,515.66

Finding the Fourth Proportional to 5,149.17, 7,723.45 and 2,515.66

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Solution

The fourth proportional to 5,149.17, 7,723.45 and 2,515.66 is: 3,773.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.17 : 7,723.45 = 2,515.66 : x
  2. Step 2: Convert to fraction form
    5,149.17/7,723.45 = 2,515.66/x
  3. Step 3: Cross multiply
    5,149.17x = 7,723.45 × 2,515.66
  4. Step 4: Simplify right side
    5,149.17x = 19,429,574.23
  5. Step 5: Solve for x
    x = 19,429,574.23/5,149.17
  6. Step 6: Final answer
    x = 3,773.34

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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.