Home / 5,281.28-7,289.78-3,044.65

Finding the Fourth Proportional to 5,281.28, 7,289.78 and 3,044.65

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Solution

The fourth proportional to 5,281.28, 7,289.78 and 3,044.65 is: 4,202.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.28 : 7,289.78 = 3,044.65 : x
  2. Step 2: Convert to fraction form
    5,281.28/7,289.78 = 3,044.65/x
  3. Step 3: Cross multiply
    5,281.28x = 7,289.78 × 3,044.65
  4. Step 4: Simplify right side
    5,281.28x = 22,194,799.84
  5. Step 5: Solve for x
    x = 22,194,799.84/5,281.28
  6. Step 6: Final answer
    x = 4,202.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.