Home / 6,112.89-9,166.39-2,989.24

Finding the Fourth Proportional to 6,112.89, 9,166.39 and 2,989.24

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Solution

The fourth proportional to 6,112.89, 9,166.39 and 2,989.24 is: 4,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.89 : 9,166.39 = 2,989.24 : x
  2. Step 2: Convert to fraction form
    6,112.89/9,166.39 = 2,989.24/x
  3. Step 3: Cross multiply
    6,112.89x = 9,166.39 × 2,989.24
  4. Step 4: Simplify right side
    6,112.89x = 27,400,539.64
  5. Step 5: Solve for x
    x = 27,400,539.64/6,112.89
  6. Step 6: Final answer
    x = 4,482.42

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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.