Home / 7,512.24-11,270.64-2,318.64

Finding the Fourth Proportional to 7,512.24, 11,270.64 and 2,318.64

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Solution

The fourth proportional to 7,512.24, 11,270.64 and 2,318.64 is: 3,478.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.24 : 11,270.64 = 2,318.64 : x
  2. Step 2: Convert to fraction form
    7,512.24/11,270.64 = 2,318.64/x
  3. Step 3: Cross multiply
    7,512.24x = 11,270.64 × 2,318.64
  4. Step 4: Simplify right side
    7,512.24x = 26,132,556.73
  5. Step 5: Solve for x
    x = 26,132,556.73/7,512.24
  6. Step 6: Final answer
    x = 3,478.66

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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.