Home / 7,568.20-11,346.90-3,404.80

Finding the Fourth Proportional to 7,568.20, 11,346.90 and 3,404.80

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Solution

The fourth proportional to 7,568.20, 11,346.90 and 3,404.80 is: 5,104.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.20 : 11,346.90 = 3,404.80 : x
  2. Step 2: Convert to fraction form
    7,568.20/11,346.90 = 3,404.80/x
  3. Step 3: Cross multiply
    7,568.20x = 11,346.90 × 3,404.80
  4. Step 4: Simplify right side
    7,568.20x = 38,633,925.12
  5. Step 5: Solve for x
    x = 38,633,925.12/7,568.20
  6. Step 6: Final answer
    x = 5,104.77

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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.