Home / 7,949.54-11,920.80-4,251.08

Finding the Fourth Proportional to 7,949.54, 11,920.80 and 4,251.08

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Solution

The fourth proportional to 7,949.54, 11,920.80 and 4,251.08 is: 6,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.54 : 11,920.80 = 4,251.08 : x
  2. Step 2: Convert to fraction form
    7,949.54/11,920.80 = 4,251.08/x
  3. Step 3: Cross multiply
    7,949.54x = 11,920.80 × 4,251.08
  4. Step 4: Simplify right side
    7,949.54x = 50,676,274.46
  5. Step 5: Solve for x
    x = 50,676,274.46/7,949.54
  6. Step 6: Final answer
    x = 6,374.74

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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.