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Finding the Fourth Proportional to 6,628.41, 9,943.02 and 2,731.50

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Solution

The fourth proportional to 6,628.41, 9,943.02 and 2,731.50 is: 4,097.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.41 : 9,943.02 = 2,731.50 : x
  2. Step 2: Convert to fraction form
    6,628.41/9,943.02 = 2,731.50/x
  3. Step 3: Cross multiply
    6,628.41x = 9,943.02 × 2,731.50
  4. Step 4: Simplify right side
    6,628.41x = 27,159,359.13
  5. Step 5: Solve for x
    x = 27,159,359.13/6,628.41
  6. Step 6: Final answer
    x = 4,097.42

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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.