Home / 7,161.50-10,741.81-2,230.44

Finding the Fourth Proportional to 7,161.50, 10,741.81 and 2,230.44

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Solution

The fourth proportional to 7,161.50, 10,741.81 and 2,230.44 is: 3,345.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.50 : 10,741.81 = 2,230.44 : x
  2. Step 2: Convert to fraction form
    7,161.50/10,741.81 = 2,230.44/x
  3. Step 3: Cross multiply
    7,161.50x = 10,741.81 × 2,230.44
  4. Step 4: Simplify right side
    7,161.50x = 23,958,962.70
  5. Step 5: Solve for x
    x = 23,958,962.70/7,161.50
  6. Step 6: Final answer
    x = 3,345.52

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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.