Home / 7,218.05-10,825.99-2,287.02

Finding the Fourth Proportional to 7,218.05, 10,825.99 and 2,287.02

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Solution

The fourth proportional to 7,218.05, 10,825.99 and 2,287.02 is: 3,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.05 : 10,825.99 = 2,287.02 : x
  2. Step 2: Convert to fraction form
    7,218.05/10,825.99 = 2,287.02/x
  3. Step 3: Cross multiply
    7,218.05x = 10,825.99 × 2,287.02
  4. Step 4: Simplify right side
    7,218.05x = 24,759,255.65
  5. Step 5: Solve for x
    x = 24,759,255.65/7,218.05
  6. Step 6: Final answer
    x = 3,430.19

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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.