Home / 9,385.13-14,077.70-3,540.38

Finding the Fourth Proportional to 9,385.13, 14,077.70 and 3,540.38

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Solution

The fourth proportional to 9,385.13, 14,077.70 and 3,540.38 is: 5,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.13 : 14,077.70 = 3,540.38 : x
  2. Step 2: Convert to fraction form
    9,385.13/14,077.70 = 3,540.38/x
  3. Step 3: Cross multiply
    9,385.13x = 14,077.70 × 3,540.38
  4. Step 4: Simplify right side
    9,385.13x = 49,840,319.44
  5. Step 5: Solve for x
    x = 49,840,319.44/9,385.13
  6. Step 6: Final answer
    x = 5,310.57

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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.