Home / 7,118.05-10,679.24-3,222.49

Finding the Fourth Proportional to 7,118.05, 10,679.24 and 3,222.49

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Solution

The fourth proportional to 7,118.05, 10,679.24 and 3,222.49 is: 4,834.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.05 : 10,679.24 = 3,222.49 : x
  2. Step 2: Convert to fraction form
    7,118.05/10,679.24 = 3,222.49/x
  3. Step 3: Cross multiply
    7,118.05x = 10,679.24 × 3,222.49
  4. Step 4: Simplify right side
    7,118.05x = 34,413,744.11
  5. Step 5: Solve for x
    x = 34,413,744.11/7,118.05
  6. Step 6: Final answer
    x = 4,834.72

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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.