Home / 8,748.90-13,120.11-3,553.02

Finding the Fourth Proportional to 8,748.90, 13,120.11 and 3,553.02

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Solution

The fourth proportional to 8,748.90, 13,120.11 and 3,553.02 is: 5,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.90 : 13,120.11 = 3,553.02 : x
  2. Step 2: Convert to fraction form
    8,748.90/13,120.11 = 3,553.02/x
  3. Step 3: Cross multiply
    8,748.90x = 13,120.11 × 3,553.02
  4. Step 4: Simplify right side
    8,748.90x = 46,616,013.23
  5. Step 5: Solve for x
    x = 46,616,013.23/8,748.90
  6. Step 6: Final answer
    x = 5,328.21

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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.