Home / 8,190.92-12,286.33-2,347.52

Finding the Fourth Proportional to 8,190.92, 12,286.33 and 2,347.52

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Solution

The fourth proportional to 8,190.92, 12,286.33 and 2,347.52 is: 3,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.92 : 12,286.33 = 2,347.52 : x
  2. Step 2: Convert to fraction form
    8,190.92/12,286.33 = 2,347.52/x
  3. Step 3: Cross multiply
    8,190.92x = 12,286.33 × 2,347.52
  4. Step 4: Simplify right side
    8,190.92x = 28,842,338.10
  5. Step 5: Solve for x
    x = 28,842,338.10/8,190.92
  6. Step 6: Final answer
    x = 3,521.26

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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.