Home / 5,028.23-6,939-2,759.55

Finding the Fourth Proportional to 5,028.23, 6,939 and 2,759.55

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Solution

The fourth proportional to 5,028.23, 6,939 and 2,759.55 is: 3,808.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.23 : 6,939 = 2,759.55 : x
  2. Step 2: Convert to fraction form
    5,028.23/6,939 = 2,759.55/x
  3. Step 3: Cross multiply
    5,028.23x = 6,939 × 2,759.55
  4. Step 4: Simplify right side
    5,028.23x = 19,148,517.45
  5. Step 5: Solve for x
    x = 19,148,517.45/5,028.23
  6. Step 6: Final answer
    x = 3,808.21

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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.