Home / 6,780.64-10,170.96-2,882.32

Finding the Fourth Proportional to 6,780.64, 10,170.96 and 2,882.32

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Solution

The fourth proportional to 6,780.64, 10,170.96 and 2,882.32 is: 4,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.64 : 10,170.96 = 2,882.32 : x
  2. Step 2: Convert to fraction form
    6,780.64/10,170.96 = 2,882.32/x
  3. Step 3: Cross multiply
    6,780.64x = 10,170.96 × 2,882.32
  4. Step 4: Simplify right side
    6,780.64x = 29,315,961.43
  5. Step 5: Solve for x
    x = 29,315,961.43/6,780.64
  6. Step 6: Final answer
    x = 4,323.48

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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.