Home / 6,111.38-9,167.06-2,215.79

Finding the Fourth Proportional to 6,111.38, 9,167.06 and 2,215.79

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Solution

The fourth proportional to 6,111.38, 9,167.06 and 2,215.79 is: 3,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.38 : 9,167.06 = 2,215.79 : x
  2. Step 2: Convert to fraction form
    6,111.38/9,167.06 = 2,215.79/x
  3. Step 3: Cross multiply
    6,111.38x = 9,167.06 × 2,215.79
  4. Step 4: Simplify right side
    6,111.38x = 20,312,239.58
  5. Step 5: Solve for x
    x = 20,312,239.58/6,111.38
  6. Step 6: Final answer
    x = 3,323.68

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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.