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Finding the Fourth Proportional to 8,932.80, 12,326.94 and 4,954.08

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Solution

The fourth proportional to 8,932.80, 12,326.94 and 4,954.08 is: 6,836.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.80 : 12,326.94 = 4,954.08 : x
  2. Step 2: Convert to fraction form
    8,932.80/12,326.94 = 4,954.08/x
  3. Step 3: Cross multiply
    8,932.80x = 12,326.94 × 4,954.08
  4. Step 4: Simplify right side
    8,932.80x = 61,068,646.92
  5. Step 5: Solve for x
    x = 61,068,646.92/8,932.80
  6. Step 6: Final answer
    x = 6,836.45

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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.