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Finding the Fourth Proportional to 6,496.47, 9,747.03 and 2,113.95

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Solution

The fourth proportional to 6,496.47, 9,747.03 and 2,113.95 is: 3,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,496.47 : 9,747.03 = 2,113.95 : x
  2. Step 2: Convert to fraction form
    6,496.47/9,747.03 = 2,113.95/x
  3. Step 3: Cross multiply
    6,496.47x = 9,747.03 × 2,113.95
  4. Step 4: Simplify right side
    6,496.47x = 20,604,734.07
  5. Step 5: Solve for x
    x = 20,604,734.07/6,496.47
  6. Step 6: Final answer
    x = 3,171.68

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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.