Home / 7,542.24-11,309.04-2,919.84

Finding the Fourth Proportional to 7,542.24, 11,309.04 and 2,919.84

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Solution

The fourth proportional to 7,542.24, 11,309.04 and 2,919.84 is: 4,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.24 : 11,309.04 = 2,919.84 : x
  2. Step 2: Convert to fraction form
    7,542.24/11,309.04 = 2,919.84/x
  3. Step 3: Cross multiply
    7,542.24x = 11,309.04 × 2,919.84
  4. Step 4: Simplify right side
    7,542.24x = 33,020,587.35
  5. Step 5: Solve for x
    x = 33,020,587.35/7,542.24
  6. Step 6: Final answer
    x = 4,378.09

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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.