Home / 7,929.28-11,893.92-2,734.75

Finding the Fourth Proportional to 7,929.28, 11,893.92 and 2,734.75

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Solution

The fourth proportional to 7,929.28, 11,893.92 and 2,734.75 is: 4,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.28 : 11,893.92 = 2,734.75 : x
  2. Step 2: Convert to fraction form
    7,929.28/11,893.92 = 2,734.75/x
  3. Step 3: Cross multiply
    7,929.28x = 11,893.92 × 2,734.75
  4. Step 4: Simplify right side
    7,929.28x = 32,526,897.72
  5. Step 5: Solve for x
    x = 32,526,897.72/7,929.28
  6. Step 6: Final answer
    x = 4,102.13

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1.5x scale

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.