Home / 6,517.58-8,995.19-3,685.82

Finding the Fourth Proportional to 6,517.58, 8,995.19 and 3,685.82

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Solution

The fourth proportional to 6,517.58, 8,995.19 and 3,685.82 is: 5,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.58 : 8,995.19 = 3,685.82 : x
  2. Step 2: Convert to fraction form
    6,517.58/8,995.19 = 3,685.82/x
  3. Step 3: Cross multiply
    6,517.58x = 8,995.19 × 3,685.82
  4. Step 4: Simplify right side
    6,517.58x = 33,154,587.80
  5. Step 5: Solve for x
    x = 33,154,587.80/6,517.58
  6. Step 6: Final answer
    x = 5,086.95

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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.