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Finding the Fourth Proportional to 6,604.97, 9,909 and 2,907.50

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Solution

The fourth proportional to 6,604.97, 9,909 and 2,907.50 is: 4,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604.97 : 9,909 = 2,907.50 : x
  2. Step 2: Convert to fraction form
    6,604.97/9,909 = 2,907.50/x
  3. Step 3: Cross multiply
    6,604.97x = 9,909 × 2,907.50
  4. Step 4: Simplify right side
    6,604.97x = 28,810,367.96
  5. Step 5: Solve for x
    x = 28,810,367.96/6,604.97
  6. Step 6: Final answer
    x = 4,361.93

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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.