Home / 4,543.59-6,815.39-1,211.85

Finding the Fourth Proportional to 4,543.59, 6,815.39 and 1,211.85

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Solution

The fourth proportional to 4,543.59, 6,815.39 and 1,211.85 is: 1,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.59 : 6,815.39 = 1,211.85 : x
  2. Step 2: Convert to fraction form
    4,543.59/6,815.39 = 1,211.85/x
  3. Step 3: Cross multiply
    4,543.59x = 6,815.39 × 1,211.85
  4. Step 4: Simplify right side
    4,543.59x = 8,259,250.30
  5. Step 5: Solve for x
    x = 8,259,250.30/4,543.59
  6. Step 6: Final answer
    x = 1,817.78

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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.