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Finding the Fourth Proportional to 5,182.88, 7,152.96 and 3,086.96

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Solution

The fourth proportional to 5,182.88, 7,152.96 and 3,086.96 is: 4,260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.88 : 7,152.96 = 3,086.96 : x
  2. Step 2: Convert to fraction form
    5,182.88/7,152.96 = 3,086.96/x
  3. Step 3: Cross multiply
    5,182.88x = 7,152.96 × 3,086.96
  4. Step 4: Simplify right side
    5,182.88x = 22,080,901.40
  5. Step 5: Solve for x
    x = 22,080,901.40/5,182.88
  6. Step 6: Final answer
    x = 4,260.35

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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.