Home / 6,824.05-9,434.10-6,761.78

Finding the Fourth Proportional to 6,824.05, 9,434.10 and 6,761.78

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Solution

The fourth proportional to 6,824.05, 9,434.10 and 6,761.78 is: 9,348.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,824.05 : 9,434.10 = 6,761.78 : x
  2. Step 2: Convert to fraction form
    6,824.05/9,434.10 = 6,761.78/x
  3. Step 3: Cross multiply
    6,824.05x = 9,434.10 × 6,761.78
  4. Step 4: Simplify right side
    6,824.05x = 63,791,308.70
  5. Step 5: Solve for x
    x = 63,791,308.70/6,824.05
  6. Step 6: Final answer
    x = 9,348.02

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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.