Home / 7,066.88-10,600.68-2,137.20

Finding the Fourth Proportional to 7,066.88, 10,600.68 and 2,137.20

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Solution

The fourth proportional to 7,066.88, 10,600.68 and 2,137.20 is: 3,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066.88 : 10,600.68 = 2,137.20 : x
  2. Step 2: Convert to fraction form
    7,066.88/10,600.68 = 2,137.20/x
  3. Step 3: Cross multiply
    7,066.88x = 10,600.68 × 2,137.20
  4. Step 4: Simplify right side
    7,066.88x = 22,655,773.30
  5. Step 5: Solve for x
    x = 22,655,773.30/7,066.88
  6. Step 6: Final answer
    x = 3,205.91

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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.