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Finding the Fourth Proportional to 8,866.86, 12,230.46 and 5,462.12

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Solution

The fourth proportional to 8,866.86, 12,230.46 and 5,462.12 is: 7,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.86 : 12,230.46 = 5,462.12 : x
  2. Step 2: Convert to fraction form
    8,866.86/12,230.46 = 5,462.12/x
  3. Step 3: Cross multiply
    8,866.86x = 12,230.46 × 5,462.12
  4. Step 4: Simplify right side
    8,866.86x = 66,804,240.18
  5. Step 5: Solve for x
    x = 66,804,240.18/8,866.86
  6. Step 6: Final answer
    x = 7,534.15

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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.