Home / 7,081.48-10,619.79-2,700.19

Finding the Fourth Proportional to 7,081.48, 10,619.79 and 2,700.19

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Solution

The fourth proportional to 7,081.48, 10,619.79 and 2,700.19 is: 4,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.48 : 10,619.79 = 2,700.19 : x
  2. Step 2: Convert to fraction form
    7,081.48/10,619.79 = 2,700.19/x
  3. Step 3: Cross multiply
    7,081.48x = 10,619.79 × 2,700.19
  4. Step 4: Simplify right side
    7,081.48x = 28,675,450.76
  5. Step 5: Solve for x
    x = 28,675,450.76/7,081.48
  6. Step 6: Final answer
    x = 4,049.36

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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.