Home / 4,165.32-6,248.59-1,391.18

Finding the Fourth Proportional to 4,165.32, 6,248.59 and 1,391.18

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Solution

The fourth proportional to 4,165.32, 6,248.59 and 1,391.18 is: 2,086.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,165.32 : 6,248.59 = 1,391.18 : x
  2. Step 2: Convert to fraction form
    4,165.32/6,248.59 = 1,391.18/x
  3. Step 3: Cross multiply
    4,165.32x = 6,248.59 × 1,391.18
  4. Step 4: Simplify right side
    4,165.32x = 8,692,886.54
  5. Step 5: Solve for x
    x = 8,692,886.54/4,165.32
  6. Step 6: Final answer
    x = 2,086.97

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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.