Home / 7,110.43-10,665.63-2,179.42

Finding the Fourth Proportional to 7,110.43, 10,665.63 and 2,179.42

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Solution

The fourth proportional to 7,110.43, 10,665.63 and 2,179.42 is: 3,269.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.43 : 10,665.63 = 2,179.42 : x
  2. Step 2: Convert to fraction form
    7,110.43/10,665.63 = 2,179.42/x
  3. Step 3: Cross multiply
    7,110.43x = 10,665.63 × 2,179.42
  4. Step 4: Simplify right side
    7,110.43x = 23,244,860.67
  5. Step 5: Solve for x
    x = 23,244,860.67/7,110.43
  6. Step 6: Final answer
    x = 3,269.12

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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.