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Finding the Fourth Proportional to 8,867.87, 12,237.18 and 5,510.63

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Solution

The fourth proportional to 8,867.87, 12,237.18 and 5,510.63 is: 7,604.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.87 : 12,237.18 = 5,510.63 : x
  2. Step 2: Convert to fraction form
    8,867.87/12,237.18 = 5,510.63/x
  3. Step 3: Cross multiply
    8,867.87x = 12,237.18 × 5,510.63
  4. Step 4: Simplify right side
    8,867.87x = 67,434,571.22
  5. Step 5: Solve for x
    x = 67,434,571.22/8,867.87
  6. Step 6: Final answer
    x = 7,604.37

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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.