Home / 7,409.97-10,224.05-4,425.22

Finding the Fourth Proportional to 7,409.97, 10,224.05 and 4,425.22

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Solution

The fourth proportional to 7,409.97, 10,224.05 and 4,425.22 is: 6,105.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.97 : 10,224.05 = 4,425.22 : x
  2. Step 2: Convert to fraction form
    7,409.97/10,224.05 = 4,425.22/x
  3. Step 3: Cross multiply
    7,409.97x = 10,224.05 × 4,425.22
  4. Step 4: Simplify right side
    7,409.97x = 45,243,670.54
  5. Step 5: Solve for x
    x = 45,243,670.54/7,409.97
  6. Step 6: Final answer
    x = 6,105.78

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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.