Home / 6,388.15-9,578.75-2,227.04

Finding the Fourth Proportional to 6,388.15, 9,578.75 and 2,227.04

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Solution

The fourth proportional to 6,388.15, 9,578.75 and 2,227.04 is: 3,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.15 : 9,578.75 = 2,227.04 : x
  2. Step 2: Convert to fraction form
    6,388.15/9,578.75 = 2,227.04/x
  3. Step 3: Cross multiply
    6,388.15x = 9,578.75 × 2,227.04
  4. Step 4: Simplify right side
    6,388.15x = 21,332,239.42
  5. Step 5: Solve for x
    x = 21,332,239.42/6,388.15
  6. Step 6: Final answer
    x = 3,339.35

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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.