Home / 8,747.04-13,120-3,552.78

Finding the Fourth Proportional to 8,747.04, 13,120 and 3,552.78

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Solution

The fourth proportional to 8,747.04, 13,120 and 3,552.78 is: 5,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.04 : 13,120 = 3,552.78 : x
  2. Step 2: Convert to fraction form
    8,747.04/13,120 = 3,552.78/x
  3. Step 3: Cross multiply
    8,747.04x = 13,120 × 3,552.78
  4. Step 4: Simplify right side
    8,747.04x = 46,612,473.60
  5. Step 5: Solve for x
    x = 46,612,473.60/8,747.04
  6. Step 6: Final answer
    x = 5,328.94

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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.