Home / 8,960.44-13,440.65-2,720.48

Finding the Fourth Proportional to 8,960.44, 13,440.65 and 2,720.48

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Solution

The fourth proportional to 8,960.44, 13,440.65 and 2,720.48 is: 4,080.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.44 : 13,440.65 = 2,720.48 : x
  2. Step 2: Convert to fraction form
    8,960.44/13,440.65 = 2,720.48/x
  3. Step 3: Cross multiply
    8,960.44x = 13,440.65 × 2,720.48
  4. Step 4: Simplify right side
    8,960.44x = 36,565,025.90
  5. Step 5: Solve for x
    x = 36,565,025.90/8,960.44
  6. Step 6: Final answer
    x = 4,080.72

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Similar ratio
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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.