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Finding the Fourth Proportional to 8,188.76, 11,300.10 and 4,651.52

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Solution

The fourth proportional to 8,188.76, 11,300.10 and 4,651.52 is: 6,418.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.76 : 11,300.10 = 4,651.52 : x
  2. Step 2: Convert to fraction form
    8,188.76/11,300.10 = 4,651.52/x
  3. Step 3: Cross multiply
    8,188.76x = 11,300.10 × 4,651.52
  4. Step 4: Simplify right side
    8,188.76x = 52,562,641.15
  5. Step 5: Solve for x
    x = 52,562,641.15/8,188.76
  6. Step 6: Final answer
    x = 6,418.88

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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.