Home / 4,001.92-5,520.96-2,823.04

Finding the Fourth Proportional to 4,001.92, 5,520.96 and 2,823.04

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Solution

The fourth proportional to 4,001.92, 5,520.96 and 2,823.04 is: 3,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.92 : 5,520.96 = 2,823.04 : x
  2. Step 2: Convert to fraction form
    4,001.92/5,520.96 = 2,823.04/x
  3. Step 3: Cross multiply
    4,001.92x = 5,520.96 × 2,823.04
  4. Step 4: Simplify right side
    4,001.92x = 15,585,890.92
  5. Step 5: Solve for x
    x = 15,585,890.92/4,001.92
  6. Step 6: Final answer
    x = 3,894.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.