Home / 7,270.75-10,033.64-3,958.75

Finding the Fourth Proportional to 7,270.75, 10,033.64 and 3,958.75

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Solution

The fourth proportional to 7,270.75, 10,033.64 and 3,958.75 is: 5,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.75 : 10,033.64 = 3,958.75 : x
  2. Step 2: Convert to fraction form
    7,270.75/10,033.64 = 3,958.75/x
  3. Step 3: Cross multiply
    7,270.75x = 10,033.64 × 3,958.75
  4. Step 4: Simplify right side
    7,270.75x = 39,720,672.35
  5. Step 5: Solve for x
    x = 39,720,672.35/7,270.75
  6. Step 6: Final answer
    x = 5,463.08

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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.