Home / 7,739.88-11,610.66-2,545.74

Finding the Fourth Proportional to 7,739.88, 11,610.66 and 2,545.74

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Solution

The fourth proportional to 7,739.88, 11,610.66 and 2,545.74 is: 3,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.88 : 11,610.66 = 2,545.74 : x
  2. Step 2: Convert to fraction form
    7,739.88/11,610.66 = 2,545.74/x
  3. Step 3: Cross multiply
    7,739.88x = 11,610.66 × 2,545.74
  4. Step 4: Simplify right side
    7,739.88x = 29,557,721.59
  5. Step 5: Solve for x
    x = 29,557,721.59/7,739.88
  6. Step 6: Final answer
    x = 3,818.89

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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.