Home / 8,809.20-13,213.44-2,965.32

Finding the Fourth Proportional to 8,809.20, 13,213.44 and 2,965.32

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Solution

The fourth proportional to 8,809.20, 13,213.44 and 2,965.32 is: 4,447.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.20 : 13,213.44 = 2,965.32 : x
  2. Step 2: Convert to fraction form
    8,809.20/13,213.44 = 2,965.32/x
  3. Step 3: Cross multiply
    8,809.20x = 13,213.44 × 2,965.32
  4. Step 4: Simplify right side
    8,809.20x = 39,182,077.90
  5. Step 5: Solve for x
    x = 39,182,077.90/8,809.20
  6. Step 6: Final answer
    x = 4,447.86

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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.