Home / 5,680.35-8,521.20-2,392.56

Finding the Fourth Proportional to 5,680.35, 8,521.20 and 2,392.56

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Solution

The fourth proportional to 5,680.35, 8,521.20 and 2,392.56 is: 3,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.35 : 8,521.20 = 2,392.56 : x
  2. Step 2: Convert to fraction form
    5,680.35/8,521.20 = 2,392.56/x
  3. Step 3: Cross multiply
    5,680.35x = 8,521.20 × 2,392.56
  4. Step 4: Simplify right side
    5,680.35x = 20,387,482.27
  5. Step 5: Solve for x
    x = 20,387,482.27/5,680.35
  6. Step 6: Final answer
    x = 3,589.12

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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.