Home / 6,881.22-10,320.84-1,951.29

Finding the Fourth Proportional to 6,881.22, 10,320.84 and 1,951.29

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Solution

The fourth proportional to 6,881.22, 10,320.84 and 1,951.29 is: 2,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.22 : 10,320.84 = 1,951.29 : x
  2. Step 2: Convert to fraction form
    6,881.22/10,320.84 = 1,951.29/x
  3. Step 3: Cross multiply
    6,881.22x = 10,320.84 × 1,951.29
  4. Step 4: Simplify right side
    6,881.22x = 20,138,951.88
  5. Step 5: Solve for x
    x = 20,138,951.88/6,881.22
  6. Step 6: Final answer
    x = 2,926.65

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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.