Home / 6,543.20-9,816.43-2,385.48

Finding the Fourth Proportional to 6,543.20, 9,816.43 and 2,385.48

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Solution

The fourth proportional to 6,543.20, 9,816.43 and 2,385.48 is: 3,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.20 : 9,816.43 = 2,385.48 : x
  2. Step 2: Convert to fraction form
    6,543.20/9,816.43 = 2,385.48/x
  3. Step 3: Cross multiply
    6,543.20x = 9,816.43 × 2,385.48
  4. Step 4: Simplify right side
    6,543.20x = 23,416,897.44
  5. Step 5: Solve for x
    x = 23,416,897.44/6,543.20
  6. Step 6: Final answer
    x = 3,578.81

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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.