Home / 8,868.58-13,304.67-3,321.79

Finding the Fourth Proportional to 8,868.58, 13,304.67 and 3,321.79

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Solution

The fourth proportional to 8,868.58, 13,304.67 and 3,321.79 is: 4,983.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.58 : 13,304.67 = 3,321.79 : x
  2. Step 2: Convert to fraction form
    8,868.58/13,304.67 = 3,321.79/x
  3. Step 3: Cross multiply
    8,868.58x = 13,304.67 × 3,321.79
  4. Step 4: Simplify right side
    8,868.58x = 44,195,319.76
  5. Step 5: Solve for x
    x = 44,195,319.76/8,868.58
  6. Step 6: Final answer
    x = 4,983.36

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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.