Home / 5,433.38-8,148.70-2,311.78

Finding the Fourth Proportional to 5,433.38, 8,148.70 and 2,311.78

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Solution

The fourth proportional to 5,433.38, 8,148.70 and 2,311.78 is: 3,467.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.38 : 8,148.70 = 2,311.78 : x
  2. Step 2: Convert to fraction form
    5,433.38/8,148.70 = 2,311.78/x
  3. Step 3: Cross multiply
    5,433.38x = 8,148.70 × 2,311.78
  4. Step 4: Simplify right side
    5,433.38x = 18,838,001.69
  5. Step 5: Solve for x
    x = 18,838,001.69/5,433.38
  6. Step 6: Final answer
    x = 3,467.09

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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.