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Finding the Fourth Proportional to 5,067.71, 7,600.12 and 1,947.50

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Solution

The fourth proportional to 5,067.71, 7,600.12 and 1,947.50 is: 2,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,067.71 : 7,600.12 = 1,947.50 : x
  2. Step 2: Convert to fraction form
    5,067.71/7,600.12 = 1,947.50/x
  3. Step 3: Cross multiply
    5,067.71x = 7,600.12 × 1,947.50
  4. Step 4: Simplify right side
    5,067.71x = 14,801,190.83
  5. Step 5: Solve for x
    x = 14,801,190.83/5,067.71
  6. Step 6: Final answer
    x = 2,920.69

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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.