Home / 5,680.32-8,520.46-1,982.52

Finding the Fourth Proportional to 5,680.32, 8,520.46 and 1,982.52

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Solution

The fourth proportional to 5,680.32, 8,520.46 and 1,982.52 is: 2,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.32 : 8,520.46 = 1,982.52 : x
  2. Step 2: Convert to fraction form
    5,680.32/8,520.46 = 1,982.52/x
  3. Step 3: Cross multiply
    5,680.32x = 8,520.46 × 1,982.52
  4. Step 4: Simplify right side
    5,680.32x = 16,891,982.36
  5. Step 5: Solve for x
    x = 16,891,982.36/5,680.32
  6. Step 6: Final answer
    x = 2,973.77

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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.