Home / 7,200.75-10,801.35-2,270.43

Finding the Fourth Proportional to 7,200.75, 10,801.35 and 2,270.43

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Solution

The fourth proportional to 7,200.75, 10,801.35 and 2,270.43 is: 3,405.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.75 : 10,801.35 = 2,270.43 : x
  2. Step 2: Convert to fraction form
    7,200.75/10,801.35 = 2,270.43/x
  3. Step 3: Cross multiply
    7,200.75x = 10,801.35 × 2,270.43
  4. Step 4: Simplify right side
    7,200.75x = 24,523,709.08
  5. Step 5: Solve for x
    x = 24,523,709.08/7,200.75
  6. Step 6: Final answer
    x = 3,405.72

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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.