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Finding the Fourth Proportional to 6,640.07, 9,957.87 and 3,351.06

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Solution

The fourth proportional to 6,640.07, 9,957.87 and 3,351.06 is: 5,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.07 : 9,957.87 = 3,351.06 : x
  2. Step 2: Convert to fraction form
    6,640.07/9,957.87 = 3,351.06/x
  3. Step 3: Cross multiply
    6,640.07x = 9,957.87 × 3,351.06
  4. Step 4: Simplify right side
    6,640.07x = 33,369,419.84
  5. Step 5: Solve for x
    x = 33,369,419.84/6,640.07
  6. Step 6: Final answer
    x = 5,025.47

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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.