Home / 7,149.55-10,724.73-2,219.89

Finding the Fourth Proportional to 7,149.55, 10,724.73 and 2,219.89

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Solution

The fourth proportional to 7,149.55, 10,724.73 and 2,219.89 is: 3,329.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.55 : 10,724.73 = 2,219.89 : x
  2. Step 2: Convert to fraction form
    7,149.55/10,724.73 = 2,219.89/x
  3. Step 3: Cross multiply
    7,149.55x = 10,724.73 × 2,219.89
  4. Step 4: Simplify right side
    7,149.55x = 23,807,720.88
  5. Step 5: Solve for x
    x = 23,807,720.88/7,149.55
  6. Step 6: Final answer
    x = 3,329.96

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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.