Home / 8,148.99-11,251.31-5,125.46

Finding the Fourth Proportional to 8,148.99, 11,251.31 and 5,125.46

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Solution

The fourth proportional to 8,148.99, 11,251.31 and 5,125.46 is: 7,076.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.99 : 11,251.31 = 5,125.46 : x
  2. Step 2: Convert to fraction form
    8,148.99/11,251.31 = 5,125.46/x
  3. Step 3: Cross multiply
    8,148.99x = 11,251.31 × 5,125.46
  4. Step 4: Simplify right side
    8,148.99x = 57,668,057.47
  5. Step 5: Solve for x
    x = 57,668,057.47/8,148.99
  6. Step 6: Final answer
    x = 7,076.71

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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.