Home / 5,306.22-7,321.98-2,947.80

Finding the Fourth Proportional to 5,306.22, 7,321.98 and 2,947.80

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Solution

The fourth proportional to 5,306.22, 7,321.98 and 2,947.80 is: 4,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.22 : 7,321.98 = 2,947.80 : x
  2. Step 2: Convert to fraction form
    5,306.22/7,321.98 = 2,947.80/x
  3. Step 3: Cross multiply
    5,306.22x = 7,321.98 × 2,947.80
  4. Step 4: Simplify right side
    5,306.22x = 21,583,732.64
  5. Step 5: Solve for x
    x = 21,583,732.64/5,306.22
  6. Step 6: Final answer
    x = 4,067.63

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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.