Home / 5,660.32-8,486.16-2,195.68

Finding the Fourth Proportional to 5,660.32, 8,486.16 and 2,195.68

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Solution

The fourth proportional to 5,660.32, 8,486.16 and 2,195.68 is: 3,291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.32 : 8,486.16 = 2,195.68 : x
  2. Step 2: Convert to fraction form
    5,660.32/8,486.16 = 2,195.68/x
  3. Step 3: Cross multiply
    5,660.32x = 8,486.16 × 2,195.68
  4. Step 4: Simplify right side
    5,660.32x = 18,632,891.79
  5. Step 5: Solve for x
    x = 18,632,891.79/5,660.32
  6. Step 6: Final answer
    x = 3,291.84

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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.