Home / 8,351.58-11,519.62-5,371.18

Finding the Fourth Proportional to 8,351.58, 11,519.62 and 5,371.18

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Solution

The fourth proportional to 8,351.58, 11,519.62 and 5,371.18 is: 7,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.58 : 11,519.62 = 5,371.18 : x
  2. Step 2: Convert to fraction form
    8,351.58/11,519.62 = 5,371.18/x
  3. Step 3: Cross multiply
    8,351.58x = 11,519.62 × 5,371.18
  4. Step 4: Simplify right side
    8,351.58x = 61,873,952.55
  5. Step 5: Solve for x
    x = 61,873,952.55/8,351.58
  6. Step 6: Final answer
    x = 7,408.65

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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.