Home / 4,119.28-6,180.96-2,558.82

Finding the Fourth Proportional to 4,119.28, 6,180.96 and 2,558.82

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Solution

The fourth proportional to 4,119.28, 6,180.96 and 2,558.82 is: 3,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.28 : 6,180.96 = 2,558.82 : x
  2. Step 2: Convert to fraction form
    4,119.28/6,180.96 = 2,558.82/x
  3. Step 3: Cross multiply
    4,119.28x = 6,180.96 × 2,558.82
  4. Step 4: Simplify right side
    4,119.28x = 15,815,964.07
  5. Step 5: Solve for x
    x = 15,815,964.07/4,119.28
  6. Step 6: Final answer
    x = 3,839.50

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1.5x scale

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.