Home / 4,278.84-6,421.92-3,049.26

Finding the Fourth Proportional to 4,278.84, 6,421.92 and 3,049.26

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Solution

The fourth proportional to 4,278.84, 6,421.92 and 3,049.26 is: 4,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.84 : 6,421.92 = 3,049.26 : x
  2. Step 2: Convert to fraction form
    4,278.84/6,421.92 = 3,049.26/x
  3. Step 3: Cross multiply
    4,278.84x = 6,421.92 × 3,049.26
  4. Step 4: Simplify right side
    4,278.84x = 19,582,103.78
  5. Step 5: Solve for x
    x = 19,582,103.78/4,278.84
  6. Step 6: Final answer
    x = 4,576.50

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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.