Home / 7,648.68-11,474.82-3,031.68

Finding the Fourth Proportional to 7,648.68, 11,474.82 and 3,031.68

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Solution

The fourth proportional to 7,648.68, 11,474.82 and 3,031.68 is: 4,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.68 : 11,474.82 = 3,031.68 : x
  2. Step 2: Convert to fraction form
    7,648.68/11,474.82 = 3,031.68/x
  3. Step 3: Cross multiply
    7,648.68x = 11,474.82 × 3,031.68
  4. Step 4: Simplify right side
    7,648.68x = 34,787,982.30
  5. Step 5: Solve for x
    x = 34,787,982.30/7,648.68
  6. Step 6: Final answer
    x = 4,548.23

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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.