Home / 5,139.27-7,703.43-2,671.61

Finding the Fourth Proportional to 5,139.27, 7,703.43 and 2,671.61

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Solution

The fourth proportional to 5,139.27, 7,703.43 and 2,671.61 is: 4,004.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.27 : 7,703.43 = 2,671.61 : x
  2. Step 2: Convert to fraction form
    5,139.27/7,703.43 = 2,671.61/x
  3. Step 3: Cross multiply
    5,139.27x = 7,703.43 × 2,671.61
  4. Step 4: Simplify right side
    5,139.27x = 20,580,560.62
  5. Step 5: Solve for x
    x = 20,580,560.62/5,139.27
  6. Step 6: Final answer
    x = 4,004.57

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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.