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Finding the Fourth Proportional to 6,520.37, 8,998.02 and 3,869.01

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Solution

The fourth proportional to 6,520.37, 8,998.02 and 3,869.01 is: 5,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.37 : 8,998.02 = 3,869.01 : x
  2. Step 2: Convert to fraction form
    6,520.37/8,998.02 = 3,869.01/x
  3. Step 3: Cross multiply
    6,520.37x = 8,998.02 × 3,869.01
  4. Step 4: Simplify right side
    6,520.37x = 34,813,429.36
  5. Step 5: Solve for x
    x = 34,813,429.36/6,520.37
  6. Step 6: Final answer
    x = 5,339.18

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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.