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Finding the Fourth Proportional to 4,329, 6,487.38 and 2,134.68

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Solution

The fourth proportional to 4,329, 6,487.38 and 2,134.68 is: 3,199.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329 : 6,487.38 = 2,134.68 : x
  2. Step 2: Convert to fraction form
    4,329/6,487.38 = 2,134.68/x
  3. Step 3: Cross multiply
    4,329x = 6,487.38 × 2,134.68
  4. Step 4: Simplify right side
    4,329x = 13,848,480.34
  5. Step 5: Solve for x
    x = 13,848,480.34/4,329
  6. Step 6: Final answer
    x = 3,199.00

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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.