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Finding the Fourth Proportional to 6,484.49, 8,949.45 and 3,652.42

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Solution

The fourth proportional to 6,484.49, 8,949.45 and 3,652.42 is: 5,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.49 : 8,949.45 = 3,652.42 : x
  2. Step 2: Convert to fraction form
    6,484.49/8,949.45 = 3,652.42/x
  3. Step 3: Cross multiply
    6,484.49x = 8,949.45 × 3,652.42
  4. Step 4: Simplify right side
    6,484.49x = 32,687,150.17
  5. Step 5: Solve for x
    x = 32,687,150.17/6,484.49
  6. Step 6: Final answer
    x = 5,040.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.