Home / 6,543.15-9,812.49-3,540.57

Finding the Fourth Proportional to 6,543.15, 9,812.49 and 3,540.57

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Solution

The fourth proportional to 6,543.15, 9,812.49 and 3,540.57 is: 5,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.15 : 9,812.49 = 3,540.57 : x
  2. Step 2: Convert to fraction form
    6,543.15/9,812.49 = 3,540.57/x
  3. Step 3: Cross multiply
    6,543.15x = 9,812.49 × 3,540.57
  4. Step 4: Simplify right side
    6,543.15x = 34,741,807.72
  5. Step 5: Solve for x
    x = 34,741,807.72/6,543.15
  6. Step 6: Final answer
    x = 5,309.65

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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.