Home / 7,416.84-11,121.66-2,739.05

Finding the Fourth Proportional to 7,416.84, 11,121.66 and 2,739.05

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Solution

The fourth proportional to 7,416.84, 11,121.66 and 2,739.05 is: 4,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.84 : 11,121.66 = 2,739.05 : x
  2. Step 2: Convert to fraction form
    7,416.84/11,121.66 = 2,739.05/x
  3. Step 3: Cross multiply
    7,416.84x = 11,121.66 × 2,739.05
  4. Step 4: Simplify right side
    7,416.84x = 30,462,789.77
  5. Step 5: Solve for x
    x = 30,462,789.77/7,416.84
  6. Step 6: Final answer
    x = 4,107.25

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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.