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Finding the Fourth Proportional to 6,663.62, 9,994.67 and 2,280.50

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Solution

The fourth proportional to 6,663.62, 9,994.67 and 2,280.50 is: 3,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.62 : 9,994.67 = 2,280.50 : x
  2. Step 2: Convert to fraction form
    6,663.62/9,994.67 = 2,280.50/x
  3. Step 3: Cross multiply
    6,663.62x = 9,994.67 × 2,280.50
  4. Step 4: Simplify right side
    6,663.62x = 22,792,844.94
  5. Step 5: Solve for x
    x = 22,792,844.94/6,663.62
  6. Step 6: Final answer
    x = 3,420.49

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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.