Home / 7,449.90-11,176.07-2,519.84

Finding the Fourth Proportional to 7,449.90, 11,176.07 and 2,519.84

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Solution

The fourth proportional to 7,449.90, 11,176.07 and 2,519.84 is: 3,780.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.90 : 11,176.07 = 2,519.84 : x
  2. Step 2: Convert to fraction form
    7,449.90/11,176.07 = 2,519.84/x
  3. Step 3: Cross multiply
    7,449.90x = 11,176.07 × 2,519.84
  4. Step 4: Simplify right side
    7,449.90x = 28,161,839.75
  5. Step 5: Solve for x
    x = 28,161,839.75/7,449.90
  6. Step 6: Final answer
    x = 3,780.16

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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.