Home / 7,388.45-11,074.42-5,740.91

Finding the Fourth Proportional to 7,388.45, 11,074.42 and 5,740.91

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Solution

The fourth proportional to 7,388.45, 11,074.42 and 5,740.91 is: 8,604.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.45 : 11,074.42 = 5,740.91 : x
  2. Step 2: Convert to fraction form
    7,388.45/11,074.42 = 5,740.91/x
  3. Step 3: Cross multiply
    7,388.45x = 11,074.42 × 5,740.91
  4. Step 4: Simplify right side
    7,388.45x = 63,577,241.86
  5. Step 5: Solve for x
    x = 63,577,241.86/7,388.45
  6. Step 6: Final answer
    x = 8,604.95

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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.