Home / 6,351.47-8,764.79-3,518.97

Finding the Fourth Proportional to 6,351.47, 8,764.79 and 3,518.97

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Solution

The fourth proportional to 6,351.47, 8,764.79 and 3,518.97 is: 4,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.47 : 8,764.79 = 3,518.97 : x
  2. Step 2: Convert to fraction form
    6,351.47/8,764.79 = 3,518.97/x
  3. Step 3: Cross multiply
    6,351.47x = 8,764.79 × 3,518.97
  4. Step 4: Simplify right side
    6,351.47x = 30,842,989.24
  5. Step 5: Solve for x
    x = 30,842,989.24/6,351.47
  6. Step 6: Final answer
    x = 4,856.04

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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.