Home / 4,320.92-6,472.78-3,330.28

Finding the Fourth Proportional to 4,320.92, 6,472.78 and 3,330.28

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Solution

The fourth proportional to 4,320.92, 6,472.78 and 3,330.28 is: 4,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.92 : 6,472.78 = 3,330.28 : x
  2. Step 2: Convert to fraction form
    4,320.92/6,472.78 = 3,330.28/x
  3. Step 3: Cross multiply
    4,320.92x = 6,472.78 × 3,330.28
  4. Step 4: Simplify right side
    4,320.92x = 21,556,120.76
  5. Step 5: Solve for x
    x = 21,556,120.76/4,320.92
  6. Step 6: Final answer
    x = 4,988.78

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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.