Home / 5,680.23-8,520.14-2,757.75

Finding the Fourth Proportional to 5,680.23, 8,520.14 and 2,757.75

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Solution

The fourth proportional to 5,680.23, 8,520.14 and 2,757.75 is: 4,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.23 : 8,520.14 = 2,757.75 : x
  2. Step 2: Convert to fraction form
    5,680.23/8,520.14 = 2,757.75/x
  3. Step 3: Cross multiply
    5,680.23x = 8,520.14 × 2,757.75
  4. Step 4: Simplify right side
    5,680.23x = 23,496,402.30
  5. Step 5: Solve for x
    x = 23,496,402.30/5,680.23
  6. Step 6: Final answer
    x = 4,136.52

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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.