Home / 7,279.69-10,919.29-2,015.02

Finding the Fourth Proportional to 7,279.69, 10,919.29 and 2,015.02

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Solution

The fourth proportional to 7,279.69, 10,919.29 and 2,015.02 is: 3,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.69 : 10,919.29 = 2,015.02 : x
  2. Step 2: Convert to fraction form
    7,279.69/10,919.29 = 2,015.02/x
  3. Step 3: Cross multiply
    7,279.69x = 10,919.29 × 2,015.02
  4. Step 4: Simplify right side
    7,279.69x = 22,002,587.74
  5. Step 5: Solve for x
    x = 22,002,587.74/7,279.69
  6. Step 6: Final answer
    x = 3,022.46

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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.