Home / 7,374.87-11,067.08-3,479.49

Finding the Fourth Proportional to 7,374.87, 11,067.08 and 3,479.49

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Solution

The fourth proportional to 7,374.87, 11,067.08 and 3,479.49 is: 5,221.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.87 : 11,067.08 = 3,479.49 : x
  2. Step 2: Convert to fraction form
    7,374.87/11,067.08 = 3,479.49/x
  3. Step 3: Cross multiply
    7,374.87x = 11,067.08 × 3,479.49
  4. Step 4: Simplify right side
    7,374.87x = 38,507,776.79
  5. Step 5: Solve for x
    x = 38,507,776.79/7,374.87
  6. Step 6: Final answer
    x = 5,221.49

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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.