Home / 5,425.58-7,488.29-3,067.72

Finding the Fourth Proportional to 5,425.58, 7,488.29 and 3,067.72

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Solution

The fourth proportional to 5,425.58, 7,488.29 and 3,067.72 is: 4,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.58 : 7,488.29 = 3,067.72 : x
  2. Step 2: Convert to fraction form
    5,425.58/7,488.29 = 3,067.72/x
  3. Step 3: Cross multiply
    5,425.58x = 7,488.29 × 3,067.72
  4. Step 4: Simplify right side
    5,425.58x = 22,971,977.00
  5. Step 5: Solve for x
    x = 22,971,977.00/5,425.58
  6. Step 6: Final answer
    x = 4,234.01

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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.