Home / 7,512.45-11,261.88-3,812.73

Finding the Fourth Proportional to 7,512.45, 11,261.88 and 3,812.73

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Solution

The fourth proportional to 7,512.45, 11,261.88 and 3,812.73 is: 5,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.45 : 11,261.88 = 3,812.73 : x
  2. Step 2: Convert to fraction form
    7,512.45/11,261.88 = 3,812.73/x
  3. Step 3: Cross multiply
    7,512.45x = 11,261.88 × 3,812.73
  4. Step 4: Simplify right side
    7,512.45x = 42,938,507.73
  5. Step 5: Solve for x
    x = 42,938,507.73/7,512.45
  6. Step 6: Final answer
    x = 5,715.65

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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.