Home / 8,613.24-11,885.94-5,261.66

Finding the Fourth Proportional to 8,613.24, 11,885.94 and 5,261.66

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Solution

The fourth proportional to 8,613.24, 11,885.94 and 5,261.66 is: 7,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613.24 : 11,885.94 = 5,261.66 : x
  2. Step 2: Convert to fraction form
    8,613.24/11,885.94 = 5,261.66/x
  3. Step 3: Cross multiply
    8,613.24x = 11,885.94 × 5,261.66
  4. Step 4: Simplify right side
    8,613.24x = 62,539,760.20
  5. Step 5: Solve for x
    x = 62,539,760.20/8,613.24
  6. Step 6: Final answer
    x = 7,260.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.