Home / 6,111.22-9,166.80-1,728.64

Finding the Fourth Proportional to 6,111.22, 9,166.80 and 1,728.64

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Solution

The fourth proportional to 6,111.22, 9,166.80 and 1,728.64 is: 2,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.22 : 9,166.80 = 1,728.64 : x
  2. Step 2: Convert to fraction form
    6,111.22/9,166.80 = 1,728.64/x
  3. Step 3: Cross multiply
    6,111.22x = 9,166.80 × 1,728.64
  4. Step 4: Simplify right side
    6,111.22x = 15,846,097.15
  5. Step 5: Solve for x
    x = 15,846,097.15/6,111.22
  6. Step 6: Final answer
    x = 2,592.95

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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.