Home / 5,775.30-7,967.97-3,680.64

Finding the Fourth Proportional to 5,775.30, 7,967.97 and 3,680.64

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Solution

The fourth proportional to 5,775.30, 7,967.97 and 3,680.64 is: 5,078.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.30 : 7,967.97 = 3,680.64 : x
  2. Step 2: Convert to fraction form
    5,775.30/7,967.97 = 3,680.64/x
  3. Step 3: Cross multiply
    5,775.30x = 7,967.97 × 3,680.64
  4. Step 4: Simplify right side
    5,775.30x = 29,327,229.10
  5. Step 5: Solve for x
    x = 29,327,229.10/5,775.30
  6. Step 6: Final answer
    x = 5,078.04

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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.