Home / 8,543.83-12,816.36-2,700.39

Finding the Fourth Proportional to 8,543.83, 12,816.36 and 2,700.39

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Solution

The fourth proportional to 8,543.83, 12,816.36 and 2,700.39 is: 4,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.83 : 12,816.36 = 2,700.39 : x
  2. Step 2: Convert to fraction form
    8,543.83/12,816.36 = 2,700.39/x
  3. Step 3: Cross multiply
    8,543.83x = 12,816.36 × 2,700.39
  4. Step 4: Simplify right side
    8,543.83x = 34,609,170.38
  5. Step 5: Solve for x
    x = 34,609,170.38/8,543.83
  6. Step 6: Final answer
    x = 4,050.78

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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.