Home / 7,964.77-11,947.17-2,418.16

Finding the Fourth Proportional to 7,964.77, 11,947.17 and 2,418.16

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Solution

The fourth proportional to 7,964.77, 11,947.17 and 2,418.16 is: 3,627.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.77 : 11,947.17 = 2,418.16 : x
  2. Step 2: Convert to fraction form
    7,964.77/11,947.17 = 2,418.16/x
  3. Step 3: Cross multiply
    7,964.77x = 11,947.17 × 2,418.16
  4. Step 4: Simplify right side
    7,964.77x = 28,890,168.61
  5. Step 5: Solve for x
    x = 28,890,168.61/7,964.77
  6. Step 6: Final answer
    x = 3,627.24

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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.