Home / 7,952.92-11,929.50-2,758.96

Finding the Fourth Proportional to 7,952.92, 11,929.50 and 2,758.96

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Solution

The fourth proportional to 7,952.92, 11,929.50 and 2,758.96 is: 4,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.92 : 11,929.50 = 2,758.96 : x
  2. Step 2: Convert to fraction form
    7,952.92/11,929.50 = 2,758.96/x
  3. Step 3: Cross multiply
    7,952.92x = 11,929.50 × 2,758.96
  4. Step 4: Simplify right side
    7,952.92x = 32,913,013.32
  5. Step 5: Solve for x
    x = 32,913,013.32/7,952.92
  6. Step 6: Final answer
    x = 4,138.48

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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.