Home / 5,680.80-8,514.90-2,392.92

Finding the Fourth Proportional to 5,680.80, 8,514.90 and 2,392.92

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Solution

The fourth proportional to 5,680.80, 8,514.90 and 2,392.92 is: 3,586.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.80 : 8,514.90 = 2,392.92 : x
  2. Step 2: Convert to fraction form
    5,680.80/8,514.90 = 2,392.92/x
  3. Step 3: Cross multiply
    5,680.80x = 8,514.90 × 2,392.92
  4. Step 4: Simplify right side
    5,680.80x = 20,375,474.51
  5. Step 5: Solve for x
    x = 20,375,474.51/5,680.80
  6. Step 6: Final answer
    x = 3,586.73

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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.