Home / 7,748.68-11,622.66-3,134.92

Finding the Fourth Proportional to 7,748.68, 11,622.66 and 3,134.92

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Solution

The fourth proportional to 7,748.68, 11,622.66 and 3,134.92 is: 4,702.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.68 : 11,622.66 = 3,134.92 : x
  2. Step 2: Convert to fraction form
    7,748.68/11,622.66 = 3,134.92/x
  3. Step 3: Cross multiply
    7,748.68x = 11,622.66 × 3,134.92
  4. Step 4: Simplify right side
    7,748.68x = 36,436,109.29
  5. Step 5: Solve for x
    x = 36,436,109.29/7,748.68
  6. Step 6: Final answer
    x = 4,702.23

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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.