Home / 7,977.47-11,966.20-3,292.33

Finding the Fourth Proportional to 7,977.47, 11,966.20 and 3,292.33

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Solution

The fourth proportional to 7,977.47, 11,966.20 and 3,292.33 is: 4,938.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.47 : 11,966.20 = 3,292.33 : x
  2. Step 2: Convert to fraction form
    7,977.47/11,966.20 = 3,292.33/x
  3. Step 3: Cross multiply
    7,977.47x = 11,966.20 × 3,292.33
  4. Step 4: Simplify right side
    7,977.47x = 39,396,679.25
  5. Step 5: Solve for x
    x = 39,396,679.25/7,977.47
  6. Step 6: Final answer
    x = 4,938.49

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Similar ratio
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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.