Home / 6,422.40-9,636.36-2,727.12

Finding the Fourth Proportional to 6,422.40, 9,636.36 and 2,727.12

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Solution

The fourth proportional to 6,422.40, 9,636.36 and 2,727.12 is: 4,091.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.40 : 9,636.36 = 2,727.12 : x
  2. Step 2: Convert to fraction form
    6,422.40/9,636.36 = 2,727.12/x
  3. Step 3: Cross multiply
    6,422.40x = 9,636.36 × 2,727.12
  4. Step 4: Simplify right side
    6,422.40x = 26,279,510.08
  5. Step 5: Solve for x
    x = 26,279,510.08/6,422.40
  6. Step 6: Final answer
    x = 4,091.85

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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.