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Finding the Fourth Proportional to 7,225.48, 10,838.22 and 2,608.48

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Solution

The fourth proportional to 7,225.48, 10,838.22 and 2,608.48 is: 3,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.48 : 10,838.22 = 2,608.48 : x
  2. Step 2: Convert to fraction form
    7,225.48/10,838.22 = 2,608.48/x
  3. Step 3: Cross multiply
    7,225.48x = 10,838.22 × 2,608.48
  4. Step 4: Simplify right side
    7,225.48x = 28,271,280.11
  5. Step 5: Solve for x
    x = 28,271,280.11/7,225.48
  6. Step 6: Final answer
    x = 3,912.72

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Double scale
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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.