Home / 7,378.29-11,067.57-2,184.30

Finding the Fourth Proportional to 7,378.29, 11,067.57 and 2,184.30

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Solution

The fourth proportional to 7,378.29, 11,067.57 and 2,184.30 is: 3,276.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.29 : 11,067.57 = 2,184.30 : x
  2. Step 2: Convert to fraction form
    7,378.29/11,067.57 = 2,184.30/x
  3. Step 3: Cross multiply
    7,378.29x = 11,067.57 × 2,184.30
  4. Step 4: Simplify right side
    7,378.29x = 24,174,893.15
  5. Step 5: Solve for x
    x = 24,174,893.15/7,378.29
  6. Step 6: Final answer
    x = 3,276.49

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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.