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Finding the Fourth Proportional to 5,891.32, 8,129.73 and 3,374.45

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Solution

The fourth proportional to 5,891.32, 8,129.73 and 3,374.45 is: 4,656.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.32 : 8,129.73 = 3,374.45 : x
  2. Step 2: Convert to fraction form
    5,891.32/8,129.73 = 3,374.45/x
  3. Step 3: Cross multiply
    5,891.32x = 8,129.73 × 3,374.45
  4. Step 4: Simplify right side
    5,891.32x = 27,433,367.40
  5. Step 5: Solve for x
    x = 27,433,367.40/5,891.32
  6. Step 6: Final answer
    x = 4,656.57

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