Home / 8,885.44-13,318.88-3,618.18

Finding the Fourth Proportional to 8,885.44, 13,318.88 and 3,618.18

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Solution

The fourth proportional to 8,885.44, 13,318.88 and 3,618.18 is: 5,423.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.44 : 13,318.88 = 3,618.18 : x
  2. Step 2: Convert to fraction form
    8,885.44/13,318.88 = 3,618.18/x
  3. Step 3: Cross multiply
    8,885.44x = 13,318.88 × 3,618.18
  4. Step 4: Simplify right side
    8,885.44x = 48,190,105.24
  5. Step 5: Solve for x
    x = 48,190,105.24/8,885.44
  6. Step 6: Final answer
    x = 5,423.49

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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.