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Finding the Fourth Proportional to 6,662.90, 9,995.70 and 2,280.54

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Solution

The fourth proportional to 6,662.90, 9,995.70 and 2,280.54 is: 3,421.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.90 : 9,995.70 = 2,280.54 : x
  2. Step 2: Convert to fraction form
    6,662.90/9,995.70 = 2,280.54/x
  3. Step 3: Cross multiply
    6,662.90x = 9,995.70 × 2,280.54
  4. Step 4: Simplify right side
    6,662.90x = 22,795,593.68
  5. Step 5: Solve for x
    x = 22,795,593.68/6,662.90
  6. Step 6: Final answer
    x = 3,421.27

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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.