Home / 5,403.18-8,110.23-3,456.75

Finding the Fourth Proportional to 5,403.18, 8,110.23 and 3,456.75

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Solution

The fourth proportional to 5,403.18, 8,110.23 and 3,456.75 is: 5,188.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.18 : 8,110.23 = 3,456.75 : x
  2. Step 2: Convert to fraction form
    5,403.18/8,110.23 = 3,456.75/x
  3. Step 3: Cross multiply
    5,403.18x = 8,110.23 × 3,456.75
  4. Step 4: Simplify right side
    5,403.18x = 28,035,037.55
  5. Step 5: Solve for x
    x = 28,035,037.55/5,403.18
  6. Step 6: Final answer
    x = 5,188.62

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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.