Home / 7,067.99-10,603.40-2,137.11

Finding the Fourth Proportional to 7,067.99, 10,603.40 and 2,137.11

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Solution

The fourth proportional to 7,067.99, 10,603.40 and 2,137.11 is: 3,206.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.99 : 10,603.40 = 2,137.11 : x
  2. Step 2: Convert to fraction form
    7,067.99/10,603.40 = 2,137.11/x
  3. Step 3: Cross multiply
    7,067.99x = 10,603.40 × 2,137.11
  4. Step 4: Simplify right side
    7,067.99x = 22,660,621.49
  5. Step 5: Solve for x
    x = 22,660,621.49/7,067.99
  6. Step 6: Final answer
    x = 3,206.09

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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.