Home / 4,188.38-6,286.82-1,724.63

Finding the Fourth Proportional to 4,188.38, 6,286.82 and 1,724.63

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Solution

The fourth proportional to 4,188.38, 6,286.82 and 1,724.63 is: 2,588.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.38 : 6,286.82 = 1,724.63 : x
  2. Step 2: Convert to fraction form
    4,188.38/6,286.82 = 1,724.63/x
  3. Step 3: Cross multiply
    4,188.38x = 6,286.82 × 1,724.63
  4. Step 4: Simplify right side
    4,188.38x = 10,842,398.32
  5. Step 5: Solve for x
    x = 10,842,398.32/4,188.38
  6. Step 6: Final answer
    x = 2,588.69

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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.