Home / 5,049.60-7,571.52-1,929.48

Finding the Fourth Proportional to 5,049.60, 7,571.52 and 1,929.48

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Solution

The fourth proportional to 5,049.60, 7,571.52 and 1,929.48 is: 2,893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.60 : 7,571.52 = 1,929.48 : x
  2. Step 2: Convert to fraction form
    5,049.60/7,571.52 = 1,929.48/x
  3. Step 3: Cross multiply
    5,049.60x = 7,571.52 × 1,929.48
  4. Step 4: Simplify right side
    5,049.60x = 14,609,096.41
  5. Step 5: Solve for x
    x = 14,609,096.41/5,049.60
  6. Step 6: Final answer
    x = 2,893.12

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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.