Home / 7,150.20-10,725.75-2,223.06

Finding the Fourth Proportional to 7,150.20, 10,725.75 and 2,223.06

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Solution

The fourth proportional to 7,150.20, 10,725.75 and 2,223.06 is: 3,334.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.20 : 10,725.75 = 2,223.06 : x
  2. Step 2: Convert to fraction form
    7,150.20/10,725.75 = 2,223.06/x
  3. Step 3: Cross multiply
    7,150.20x = 10,725.75 × 2,223.06
  4. Step 4: Simplify right side
    7,150.20x = 23,843,985.80
  5. Step 5: Solve for x
    x = 23,843,985.80/7,150.20
  6. Step 6: Final answer
    x = 3,334.73

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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.