Home / 8,292.72-12,439.08-3,362.46

Finding the Fourth Proportional to 8,292.72, 12,439.08 and 3,362.46

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Solution

The fourth proportional to 8,292.72, 12,439.08 and 3,362.46 is: 5,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.72 : 12,439.08 = 3,362.46 : x
  2. Step 2: Convert to fraction form
    8,292.72/12,439.08 = 3,362.46/x
  3. Step 3: Cross multiply
    8,292.72x = 12,439.08 × 3,362.46
  4. Step 4: Simplify right side
    8,292.72x = 41,825,908.94
  5. Step 5: Solve for x
    x = 41,825,908.94/8,292.72
  6. Step 6: Final answer
    x = 5,043.69

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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.