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Finding the Fourth Proportional to 8,494.88, 12,750.41 and 3,563.19

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Solution

The fourth proportional to 8,494.88, 12,750.41 and 3,563.19 is: 5,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.88 : 12,750.41 = 3,563.19 : x
  2. Step 2: Convert to fraction form
    8,494.88/12,750.41 = 3,563.19/x
  3. Step 3: Cross multiply
    8,494.88x = 12,750.41 × 3,563.19
  4. Step 4: Simplify right side
    8,494.88x = 45,432,142.32
  5. Step 5: Solve for x
    x = 45,432,142.32/8,494.88
  6. Step 6: Final answer
    x = 5,348.18

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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.