Home / 4,429.33-6,639.30-2,949.76

Finding the Fourth Proportional to 4,429.33, 6,639.30 and 2,949.76

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Solution

The fourth proportional to 4,429.33, 6,639.30 and 2,949.76 is: 4,421.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.33 : 6,639.30 = 2,949.76 : x
  2. Step 2: Convert to fraction form
    4,429.33/6,639.30 = 2,949.76/x
  3. Step 3: Cross multiply
    4,429.33x = 6,639.30 × 2,949.76
  4. Step 4: Simplify right side
    4,429.33x = 19,584,341.57
  5. Step 5: Solve for x
    x = 19,584,341.57/4,429.33
  6. Step 6: Final answer
    x = 4,421.51

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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.