Home / 4,081.66-6,118.28-1,615.48

Finding the Fourth Proportional to 4,081.66, 6,118.28 and 1,615.48

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Solution

The fourth proportional to 4,081.66, 6,118.28 and 1,615.48 is: 2,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.66 : 6,118.28 = 1,615.48 : x
  2. Step 2: Convert to fraction form
    4,081.66/6,118.28 = 1,615.48/x
  3. Step 3: Cross multiply
    4,081.66x = 6,118.28 × 1,615.48
  4. Step 4: Simplify right side
    4,081.66x = 9,883,958.97
  5. Step 5: Solve for x
    x = 9,883,958.97/4,081.66
  6. Step 6: Final answer
    x = 2,421.55

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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.