Home / 4,047.18-5,576.90-3,102.99

Finding the Fourth Proportional to 4,047.18, 5,576.90 and 3,102.99

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Solution

The fourth proportional to 4,047.18, 5,576.90 and 3,102.99 is: 4,275.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.18 : 5,576.90 = 3,102.99 : x
  2. Step 2: Convert to fraction form
    4,047.18/5,576.90 = 3,102.99/x
  3. Step 3: Cross multiply
    4,047.18x = 5,576.90 × 3,102.99
  4. Step 4: Simplify right side
    4,047.18x = 17,305,049.42
  5. Step 5: Solve for x
    x = 17,305,049.42/4,047.18
  6. Step 6: Final answer
    x = 4,275.83

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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.