Home / 4,087.43-6,126.75-1,618.82

Finding the Fourth Proportional to 4,087.43, 6,126.75 and 1,618.82

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Solution

The fourth proportional to 4,087.43, 6,126.75 and 1,618.82 is: 2,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.43 : 6,126.75 = 1,618.82 : x
  2. Step 2: Convert to fraction form
    4,087.43/6,126.75 = 1,618.82/x
  3. Step 3: Cross multiply
    4,087.43x = 6,126.75 × 1,618.82
  4. Step 4: Simplify right side
    4,087.43x = 9,918,074.80
  5. Step 5: Solve for x
    x = 9,918,074.80/4,087.43
  6. Step 6: Final answer
    x = 2,426.48

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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.