Home / 5,162.12-7,737.51-3,381.02

Finding the Fourth Proportional to 5,162.12, 7,737.51 and 3,381.02

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Solution

The fourth proportional to 5,162.12, 7,737.51 and 3,381.02 is: 5,067.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.12 : 7,737.51 = 3,381.02 : x
  2. Step 2: Convert to fraction form
    5,162.12/7,737.51 = 3,381.02/x
  3. Step 3: Cross multiply
    5,162.12x = 7,737.51 × 3,381.02
  4. Step 4: Simplify right side
    5,162.12x = 26,160,676.06
  5. Step 5: Solve for x
    x = 26,160,676.06/5,162.12
  6. Step 6: Final answer
    x = 5,067.82

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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.