Home / 4,271.79-6,409.84-2,882.20

Finding the Fourth Proportional to 4,271.79, 6,409.84 and 2,882.20

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Solution

The fourth proportional to 4,271.79, 6,409.84 and 2,882.20 is: 4,324.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.79 : 6,409.84 = 2,882.20 : x
  2. Step 2: Convert to fraction form
    4,271.79/6,409.84 = 2,882.20/x
  3. Step 3: Cross multiply
    4,271.79x = 6,409.84 × 2,882.20
  4. Step 4: Simplify right side
    4,271.79x = 18,474,469.89
  5. Step 5: Solve for x
    x = 18,474,469.89/4,271.79
  6. Step 6: Final answer
    x = 4,324.76

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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.