Home / 8,278.74-11,426.46-5,094.78

Finding the Fourth Proportional to 8,278.74, 11,426.46 and 5,094.78

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Solution

The fourth proportional to 8,278.74, 11,426.46 and 5,094.78 is: 7,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.74 : 11,426.46 = 5,094.78 : x
  2. Step 2: Convert to fraction form
    8,278.74/11,426.46 = 5,094.78/x
  3. Step 3: Cross multiply
    8,278.74x = 11,426.46 × 5,094.78
  4. Step 4: Simplify right side
    8,278.74x = 58,215,299.88
  5. Step 5: Solve for x
    x = 58,215,299.88/8,278.74
  6. Step 6: Final answer
    x = 7,031.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.