Home / 4,488.29-6,735.32-2,178.53

Finding the Fourth Proportional to 4,488.29, 6,735.32 and 2,178.53

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Solution

The fourth proportional to 4,488.29, 6,735.32 and 2,178.53 is: 3,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,488.29 : 6,735.32 = 2,178.53 : x
  2. Step 2: Convert to fraction form
    4,488.29/6,735.32 = 2,178.53/x
  3. Step 3: Cross multiply
    4,488.29x = 6,735.32 × 2,178.53
  4. Step 4: Simplify right side
    4,488.29x = 14,673,096.68
  5. Step 5: Solve for x
    x = 14,673,096.68/4,488.29
  6. Step 6: Final answer
    x = 3,269.20

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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.