Home / 6,363.20-8,781.19-3,530.50

Finding the Fourth Proportional to 6,363.20, 8,781.19 and 3,530.50

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Solution

The fourth proportional to 6,363.20, 8,781.19 and 3,530.50 is: 4,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.20 : 8,781.19 = 3,530.50 : x
  2. Step 2: Convert to fraction form
    6,363.20/8,781.19 = 3,530.50/x
  3. Step 3: Cross multiply
    6,363.20x = 8,781.19 × 3,530.50
  4. Step 4: Simplify right side
    6,363.20x = 31,001,960.52
  5. Step 5: Solve for x
    x = 31,001,960.52/6,363.20
  6. Step 6: Final answer
    x = 4,872.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.