Home / 7,404.50-11,112.21-3,508.91

Finding the Fourth Proportional to 7,404.50, 11,112.21 and 3,508.91

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Solution

The fourth proportional to 7,404.50, 11,112.21 and 3,508.91 is: 5,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.50 : 11,112.21 = 3,508.91 : x
  2. Step 2: Convert to fraction form
    7,404.50/11,112.21 = 3,508.91/x
  3. Step 3: Cross multiply
    7,404.50x = 11,112.21 × 3,508.91
  4. Step 4: Simplify right side
    7,404.50x = 38,991,744.79
  5. Step 5: Solve for x
    x = 38,991,744.79/7,404.50
  6. Step 6: Final answer
    x = 5,265.95

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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.