Home / 7,741.25-11,607.01-5,105.91

Finding the Fourth Proportional to 7,741.25, 11,607.01 and 5,105.91

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Solution

The fourth proportional to 7,741.25, 11,607.01 and 5,105.91 is: 7,655.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.25 : 11,607.01 = 5,105.91 : x
  2. Step 2: Convert to fraction form
    7,741.25/11,607.01 = 5,105.91/x
  3. Step 3: Cross multiply
    7,741.25x = 11,607.01 × 5,105.91
  4. Step 4: Simplify right side
    7,741.25x = 59,264,335.66
  5. Step 5: Solve for x
    x = 59,264,335.66/7,741.25
  6. Step 6: Final answer
    x = 7,655.66

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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.