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Finding the Fourth Proportional to 6,188, 9,281.82 and 2,292.32

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Solution

The fourth proportional to 6,188, 9,281.82 and 2,292.32 is: 3,438.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,188 : 9,281.82 = 2,292.32 : x
  2. Step 2: Convert to fraction form
    6,188/9,281.82 = 2,292.32/x
  3. Step 3: Cross multiply
    6,188x = 9,281.82 × 2,292.32
  4. Step 4: Simplify right side
    6,188x = 21,276,901.62
  5. Step 5: Solve for x
    x = 21,276,901.62/6,188
  6. Step 6: Final answer
    x = 3,438.41

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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.