Home / 4,221.24-6,330.24-2,918.76

Finding the Fourth Proportional to 4,221.24, 6,330.24 and 2,918.76

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Solution

The fourth proportional to 4,221.24, 6,330.24 and 2,918.76 is: 4,377.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.24 : 6,330.24 = 2,918.76 : x
  2. Step 2: Convert to fraction form
    4,221.24/6,330.24 = 2,918.76/x
  3. Step 3: Cross multiply
    4,221.24x = 6,330.24 × 2,918.76
  4. Step 4: Simplify right side
    4,221.24x = 18,476,451.30
  5. Step 5: Solve for x
    x = 18,476,451.30/4,221.24
  6. Step 6: Final answer
    x = 4,377.02

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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.