Home / 6,899.16-10,342.86-2,738.20

Finding the Fourth Proportional to 6,899.16, 10,342.86 and 2,738.20

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Solution

The fourth proportional to 6,899.16, 10,342.86 and 2,738.20 is: 4,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.16 : 10,342.86 = 2,738.20 : x
  2. Step 2: Convert to fraction form
    6,899.16/10,342.86 = 2,738.20/x
  3. Step 3: Cross multiply
    6,899.16x = 10,342.86 × 2,738.20
  4. Step 4: Simplify right side
    6,899.16x = 28,320,819.25
  5. Step 5: Solve for x
    x = 28,320,819.25/6,899.16
  6. Step 6: Final answer
    x = 4,104.97

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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.