Home / 6,111.13-9,166.69-2,215.54

Finding the Fourth Proportional to 6,111.13, 9,166.69 and 2,215.54

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Solution

The fourth proportional to 6,111.13, 9,166.69 and 2,215.54 is: 3,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.13 : 9,166.69 = 2,215.54 : x
  2. Step 2: Convert to fraction form
    6,111.13/9,166.69 = 2,215.54/x
  3. Step 3: Cross multiply
    6,111.13x = 9,166.69 × 2,215.54
  4. Step 4: Simplify right side
    6,111.13x = 20,309,122.53
  5. Step 5: Solve for x
    x = 20,309,122.53/6,111.13
  6. Step 6: Final answer
    x = 3,323.30

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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.