Home / 5,049.60-7,574.67-1,929.85

Finding the Fourth Proportional to 5,049.60, 7,574.67 and 1,929.85

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Solution

The fourth proportional to 5,049.60, 7,574.67 and 1,929.85 is: 2,894.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.60 : 7,574.67 = 1,929.85 : x
  2. Step 2: Convert to fraction form
    5,049.60/7,574.67 = 1,929.85/x
  3. Step 3: Cross multiply
    5,049.60x = 7,574.67 × 1,929.85
  4. Step 4: Simplify right side
    5,049.60x = 14,617,976.90
  5. Step 5: Solve for x
    x = 14,617,976.90/5,049.60
  6. Step 6: Final answer
    x = 2,894.88

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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.