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Finding the Fourth Proportional to 7,297.88, 10,877.48 and 6,882.74

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Solution

The fourth proportional to 7,297.88, 10,877.48 and 6,882.74 is: 10,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297.88 : 10,877.48 = 6,882.74 : x
  2. Step 2: Convert to fraction form
    7,297.88/10,877.48 = 6,882.74/x
  3. Step 3: Cross multiply
    7,297.88x = 10,877.48 × 6,882.74
  4. Step 4: Simplify right side
    7,297.88x = 74,866,866.70
  5. Step 5: Solve for x
    x = 74,866,866.70/7,297.88
  6. Step 6: Final answer
    x = 10,258.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.