Home / 4,028.40-5,559.84-3,764.88

Finding the Fourth Proportional to 4,028.40, 5,559.84 and 3,764.88

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Solution

The fourth proportional to 4,028.40, 5,559.84 and 3,764.88 is: 5,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.40 : 5,559.84 = 3,764.88 : x
  2. Step 2: Convert to fraction form
    4,028.40/5,559.84 = 3,764.88/x
  3. Step 3: Cross multiply
    4,028.40x = 5,559.84 × 3,764.88
  4. Step 4: Simplify right side
    4,028.40x = 20,932,130.42
  5. Step 5: Solve for x
    x = 20,932,130.42/4,028.40
  6. Step 6: Final answer
    x = 5,196.14

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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.