Home / 4,164.93-6,248.12-1,391.31

Finding the Fourth Proportional to 4,164.93, 6,248.12 and 1,391.31

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Solution

The fourth proportional to 4,164.93, 6,248.12 and 1,391.31 is: 2,087.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,164.93 : 6,248.12 = 1,391.31 : x
  2. Step 2: Convert to fraction form
    4,164.93/6,248.12 = 1,391.31/x
  3. Step 3: Cross multiply
    4,164.93x = 6,248.12 × 1,391.31
  4. Step 4: Simplify right side
    4,164.93x = 8,693,064.88
  5. Step 5: Solve for x
    x = 8,693,064.88/4,164.93
  6. Step 6: Final answer
    x = 2,087.21

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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.