Home / 4,228.38-6,335.28-3,291.66

Finding the Fourth Proportional to 4,228.38, 6,335.28 and 3,291.66

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Solution

The fourth proportional to 4,228.38, 6,335.28 and 3,291.66 is: 4,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.38 : 6,335.28 = 3,291.66 : x
  2. Step 2: Convert to fraction form
    4,228.38/6,335.28 = 3,291.66/x
  3. Step 3: Cross multiply
    4,228.38x = 6,335.28 × 3,291.66
  4. Step 4: Simplify right side
    4,228.38x = 20,853,587.76
  5. Step 5: Solve for x
    x = 20,853,587.76/4,228.38
  6. Step 6: Final answer
    x = 4,931.81

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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.