Home / 7,739.13-11,610.45-2,545.05

Finding the Fourth Proportional to 7,739.13, 11,610.45 and 2,545.05

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Solution

The fourth proportional to 7,739.13, 11,610.45 and 2,545.05 is: 3,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.13 : 11,610.45 = 2,545.05 : x
  2. Step 2: Convert to fraction form
    7,739.13/11,610.45 = 2,545.05/x
  3. Step 3: Cross multiply
    7,739.13x = 11,610.45 × 2,545.05
  4. Step 4: Simplify right side
    7,739.13x = 29,549,175.77
  5. Step 5: Solve for x
    x = 29,549,175.77/7,739.13
  6. Step 6: Final answer
    x = 3,818.15

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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.