Home / 6,110.78-9,166.21-2,215.09

Finding the Fourth Proportional to 6,110.78, 9,166.21 and 2,215.09

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Solution

The fourth proportional to 6,110.78, 9,166.21 and 2,215.09 is: 3,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.78 : 9,166.21 = 2,215.09 : x
  2. Step 2: Convert to fraction form
    6,110.78/9,166.21 = 2,215.09/x
  3. Step 3: Cross multiply
    6,110.78x = 9,166.21 × 2,215.09
  4. Step 4: Simplify right side
    6,110.78x = 20,303,951.66
  5. Step 5: Solve for x
    x = 20,303,951.66/6,110.78
  6. Step 6: Final answer
    x = 3,322.64

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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.