Home / 4,217.27-6,326.19-1,215.18

Finding the Fourth Proportional to 4,217.27, 6,326.19 and 1,215.18

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Solution

The fourth proportional to 4,217.27, 6,326.19 and 1,215.18 is: 1,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.27 : 6,326.19 = 1,215.18 : x
  2. Step 2: Convert to fraction form
    4,217.27/6,326.19 = 1,215.18/x
  3. Step 3: Cross multiply
    4,217.27x = 6,326.19 × 1,215.18
  4. Step 4: Simplify right side
    4,217.27x = 7,687,459.56
  5. Step 5: Solve for x
    x = 7,687,459.56/4,217.27
  6. Step 6: Final answer
    x = 1,822.85

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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.