Home / 4,028.89-5,557.95-2,850.61

Finding the Fourth Proportional to 4,028.89, 5,557.95 and 2,850.61

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Solution

The fourth proportional to 4,028.89, 5,557.95 and 2,850.61 is: 3,932.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.89 : 5,557.95 = 2,850.61 : x
  2. Step 2: Convert to fraction form
    4,028.89/5,557.95 = 2,850.61/x
  3. Step 3: Cross multiply
    4,028.89x = 5,557.95 × 2,850.61
  4. Step 4: Simplify right side
    4,028.89x = 15,843,547.85
  5. Step 5: Solve for x
    x = 15,843,547.85/4,028.89
  6. Step 6: Final answer
    x = 3,932.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.