Home / 7,287.22-10,057.53-4,144.42

Finding the Fourth Proportional to 7,287.22, 10,057.53 and 4,144.42

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Solution

The fourth proportional to 7,287.22, 10,057.53 and 4,144.42 is: 5,719.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.22 : 10,057.53 = 4,144.42 : x
  2. Step 2: Convert to fraction form
    7,287.22/10,057.53 = 4,144.42/x
  3. Step 3: Cross multiply
    7,287.22x = 10,057.53 × 4,144.42
  4. Step 4: Simplify right side
    7,287.22x = 41,682,628.48
  5. Step 5: Solve for x
    x = 41,682,628.48/7,287.22
  6. Step 6: Final answer
    x = 5,719.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.