Home / 5,067.78-6,991.14-3,298.74

Finding the Fourth Proportional to 5,067.78, 6,991.14 and 3,298.74

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Solution

The fourth proportional to 5,067.78, 6,991.14 and 3,298.74 is: 4,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,067.78 : 6,991.14 = 3,298.74 : x
  2. Step 2: Convert to fraction form
    5,067.78/6,991.14 = 3,298.74/x
  3. Step 3: Cross multiply
    5,067.78x = 6,991.14 × 3,298.74
  4. Step 4: Simplify right side
    5,067.78x = 23,061,953.16
  5. Step 5: Solve for x
    x = 23,061,953.16/5,067.78
  6. Step 6: Final answer
    x = 4,550.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.