Home / 8,871.12-13,314.18-3,610.02

Finding the Fourth Proportional to 8,871.12, 13,314.18 and 3,610.02

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Solution

The fourth proportional to 8,871.12, 13,314.18 and 3,610.02 is: 5,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.12 : 13,314.18 = 3,610.02 : x
  2. Step 2: Convert to fraction form
    8,871.12/13,314.18 = 3,610.02/x
  3. Step 3: Cross multiply
    8,871.12x = 13,314.18 × 3,610.02
  4. Step 4: Simplify right side
    8,871.12x = 48,064,456.08
  5. Step 5: Solve for x
    x = 48,064,456.08/8,871.12
  6. Step 6: Final answer
    x = 5,418.08

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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.