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Finding the Fourth Proportional to 6,884.52, 10,326.84 and 1,954.20

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Solution

The fourth proportional to 6,884.52, 10,326.84 and 1,954.20 is: 2,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.52 : 10,326.84 = 1,954.20 : x
  2. Step 2: Convert to fraction form
    6,884.52/10,326.84 = 1,954.20/x
  3. Step 3: Cross multiply
    6,884.52x = 10,326.84 × 1,954.20
  4. Step 4: Simplify right side
    6,884.52x = 20,180,710.73
  5. Step 5: Solve for x
    x = 20,180,710.73/6,884.52
  6. Step 6: Final answer
    x = 2,931.32

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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.