Home / 6,527.20-9,785.40-3,449.20

Finding the Fourth Proportional to 6,527.20, 9,785.40 and 3,449.20

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Solution

The fourth proportional to 6,527.20, 9,785.40 and 3,449.20 is: 5,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,527.20 : 9,785.40 = 3,449.20 : x
  2. Step 2: Convert to fraction form
    6,527.20/9,785.40 = 3,449.20/x
  3. Step 3: Cross multiply
    6,527.20x = 9,785.40 × 3,449.20
  4. Step 4: Simplify right side
    6,527.20x = 33,751,801.68
  5. Step 5: Solve for x
    x = 33,751,801.68/6,527.20
  6. Step 6: Final answer
    x = 5,170.95

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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.