Home / 6,112.12-9,166.20-1,728.40

Finding the Fourth Proportional to 6,112.12, 9,166.20 and 1,728.40

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Solution

The fourth proportional to 6,112.12, 9,166.20 and 1,728.40 is: 2,592.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.12 : 9,166.20 = 1,728.40 : x
  2. Step 2: Convert to fraction form
    6,112.12/9,166.20 = 1,728.40/x
  3. Step 3: Cross multiply
    6,112.12x = 9,166.20 × 1,728.40
  4. Step 4: Simplify right side
    6,112.12x = 15,842,860.08
  5. Step 5: Solve for x
    x = 15,842,860.08/6,112.12
  6. Step 6: Final answer
    x = 2,592.04

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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.