Home / 4,543.20-6,813.72-3,081.96

Finding the Fourth Proportional to 4,543.20, 6,813.72 and 3,081.96

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Solution

The fourth proportional to 4,543.20, 6,813.72 and 3,081.96 is: 4,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.20 : 6,813.72 = 3,081.96 : x
  2. Step 2: Convert to fraction form
    4,543.20/6,813.72 = 3,081.96/x
  3. Step 3: Cross multiply
    4,543.20x = 6,813.72 × 3,081.96
  4. Step 4: Simplify right side
    4,543.20x = 20,999,612.49
  5. Step 5: Solve for x
    x = 20,999,612.49/4,543.20
  6. Step 6: Final answer
    x = 4,622.21

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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.