Home / 7,200.72-10,801.08-2,817.61

Finding the Fourth Proportional to 7,200.72, 10,801.08 and 2,817.61

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Solution

The fourth proportional to 7,200.72, 10,801.08 and 2,817.61 is: 4,226.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.72 : 10,801.08 = 2,817.61 : x
  2. Step 2: Convert to fraction form
    7,200.72/10,801.08 = 2,817.61/x
  3. Step 3: Cross multiply
    7,200.72x = 10,801.08 × 2,817.61
  4. Step 4: Simplify right side
    7,200.72x = 30,433,204.02
  5. Step 5: Solve for x
    x = 30,433,204.02/7,200.72
  6. Step 6: Final answer
    x = 4,226.41

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Similar ratio
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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.