Home / 8,819.10-13,227.99-4,140.18

Finding the Fourth Proportional to 8,819.10, 13,227.99 and 4,140.18

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Solution

The fourth proportional to 8,819.10, 13,227.99 and 4,140.18 is: 6,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.10 : 13,227.99 = 4,140.18 : x
  2. Step 2: Convert to fraction form
    8,819.10/13,227.99 = 4,140.18/x
  3. Step 3: Cross multiply
    8,819.10x = 13,227.99 × 4,140.18
  4. Step 4: Simplify right side
    8,819.10x = 54,766,259.64
  5. Step 5: Solve for x
    x = 54,766,259.64/8,819.10
  6. Step 6: Final answer
    x = 6,209.96

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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.