Home / 7,929.20-11,871.92-4,014.48

Finding the Fourth Proportional to 7,929.20, 11,871.92 and 4,014.48

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Solution

The fourth proportional to 7,929.20, 11,871.92 and 4,014.48 is: 6,010.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.20 : 11,871.92 = 4,014.48 : x
  2. Step 2: Convert to fraction form
    7,929.20/11,871.92 = 4,014.48/x
  3. Step 3: Cross multiply
    7,929.20x = 11,871.92 × 4,014.48
  4. Step 4: Simplify right side
    7,929.20x = 47,659,585.40
  5. Step 5: Solve for x
    x = 47,659,585.40/7,929.20
  6. Step 6: Final answer
    x = 6,010.64

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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.