Home / 5,680.53-8,520.19-1,982.83

Finding the Fourth Proportional to 5,680.53, 8,520.19 and 1,982.83

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Solution

The fourth proportional to 5,680.53, 8,520.19 and 1,982.83 is: 2,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.53 : 8,520.19 = 1,982.83 : x
  2. Step 2: Convert to fraction form
    5,680.53/8,520.19 = 1,982.83/x
  3. Step 3: Cross multiply
    5,680.53x = 8,520.19 × 1,982.83
  4. Step 4: Simplify right side
    5,680.53x = 16,894,088.34
  5. Step 5: Solve for x
    x = 16,894,088.34/5,680.53
  6. Step 6: Final answer
    x = 2,974.03

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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.