Home / 6,449.28-9,671.58-2,751.90

Finding the Fourth Proportional to 6,449.28, 9,671.58 and 2,751.90

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Solution

The fourth proportional to 6,449.28, 9,671.58 and 2,751.90 is: 4,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449.28 : 9,671.58 = 2,751.90 : x
  2. Step 2: Convert to fraction form
    6,449.28/9,671.58 = 2,751.90/x
  3. Step 3: Cross multiply
    6,449.28x = 9,671.58 × 2,751.90
  4. Step 4: Simplify right side
    6,449.28x = 26,615,221.00
  5. Step 5: Solve for x
    x = 26,615,221.00/6,449.28
  6. Step 6: Final answer
    x = 4,126.85

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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.