Home / 6,518.43-8,995.80-3,685.92

Finding the Fourth Proportional to 6,518.43, 8,995.80 and 3,685.92

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Solution

The fourth proportional to 6,518.43, 8,995.80 and 3,685.92 is: 5,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.43 : 8,995.80 = 3,685.92 : x
  2. Step 2: Convert to fraction form
    6,518.43/8,995.80 = 3,685.92/x
  3. Step 3: Cross multiply
    6,518.43x = 8,995.80 × 3,685.92
  4. Step 4: Simplify right side
    6,518.43x = 33,157,799.14
  5. Step 5: Solve for x
    x = 33,157,799.14/6,518.43
  6. Step 6: Final answer
    x = 5,086.78

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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.