Home / 4,028.42-5,554.98-3,187.77

Finding the Fourth Proportional to 4,028.42, 5,554.98 and 3,187.77

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Solution

The fourth proportional to 4,028.42, 5,554.98 and 3,187.77 is: 4,395.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.42 : 5,554.98 = 3,187.77 : x
  2. Step 2: Convert to fraction form
    4,028.42/5,554.98 = 3,187.77/x
  3. Step 3: Cross multiply
    4,028.42x = 5,554.98 × 3,187.77
  4. Step 4: Simplify right side
    4,028.42x = 17,707,998.59
  5. Step 5: Solve for x
    x = 17,707,998.59/4,028.42
  6. Step 6: Final answer
    x = 4,395.77

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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.