Home / 7,517.82-11,280.24-3,357.40

Finding the Fourth Proportional to 7,517.82, 11,280.24 and 3,357.40

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Solution

The fourth proportional to 7,517.82, 11,280.24 and 3,357.40 is: 5,037.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.82 : 11,280.24 = 3,357.40 : x
  2. Step 2: Convert to fraction form
    7,517.82/11,280.24 = 3,357.40/x
  3. Step 3: Cross multiply
    7,517.82x = 11,280.24 × 3,357.40
  4. Step 4: Simplify right side
    7,517.82x = 37,872,277.78
  5. Step 5: Solve for x
    x = 37,872,277.78/7,517.82
  6. Step 6: Final answer
    x = 5,037.67

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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.