Home / 9,130.20-13,690-3,577.04

Finding the Fourth Proportional to 9,130.20, 13,690 and 3,577.04

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Solution

The fourth proportional to 9,130.20, 13,690 and 3,577.04 is: 5,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.20 : 13,690 = 3,577.04 : x
  2. Step 2: Convert to fraction form
    9,130.20/13,690 = 3,577.04/x
  3. Step 3: Cross multiply
    9,130.20x = 13,690 × 3,577.04
  4. Step 4: Simplify right side
    9,130.20x = 48,969,677.60
  5. Step 5: Solve for x
    x = 48,969,677.60/9,130.20
  6. Step 6: Final answer
    x = 5,363.48

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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.