Home / 5,241.54-7,863.66-1,543.62

Finding the Fourth Proportional to 5,241.54, 7,863.66 and 1,543.62

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Solution

The fourth proportional to 5,241.54, 7,863.66 and 1,543.62 is: 2,315.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.54 : 7,863.66 = 1,543.62 : x
  2. Step 2: Convert to fraction form
    5,241.54/7,863.66 = 1,543.62/x
  3. Step 3: Cross multiply
    5,241.54x = 7,863.66 × 1,543.62
  4. Step 4: Simplify right side
    5,241.54x = 12,138,502.85
  5. Step 5: Solve for x
    x = 12,138,502.85/5,241.54
  6. Step 6: Final answer
    x = 2,315.83

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1.5x scale

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.