Home / 6,631.90-9,944.68-3,859.32

Finding the Fourth Proportional to 6,631.90, 9,944.68 and 3,859.32

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Solution

The fourth proportional to 6,631.90, 9,944.68 and 3,859.32 is: 5,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.90 : 9,944.68 = 3,859.32 : x
  2. Step 2: Convert to fraction form
    6,631.90/9,944.68 = 3,859.32/x
  3. Step 3: Cross multiply
    6,631.90x = 9,944.68 × 3,859.32
  4. Step 4: Simplify right side
    6,631.90x = 38,379,702.42
  5. Step 5: Solve for x
    x = 38,379,702.42/6,631.90
  6. Step 6: Final answer
    x = 5,787.14

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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.