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Finding the Fourth Proportional to 4,942.62, 7,385.58 and 4,850.28

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Solution

The fourth proportional to 4,942.62, 7,385.58 and 4,850.28 is: 7,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.62 : 7,385.58 = 4,850.28 : x
  2. Step 2: Convert to fraction form
    4,942.62/7,385.58 = 4,850.28/x
  3. Step 3: Cross multiply
    4,942.62x = 7,385.58 × 4,850.28
  4. Step 4: Simplify right side
    4,942.62x = 35,822,130.96
  5. Step 5: Solve for x
    x = 35,822,130.96/4,942.62
  6. Step 6: Final answer
    x = 7,247.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.