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Finding the Fourth Proportional to 8,065.63, 11,131.78 and 4,923.64

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Solution

The fourth proportional to 8,065.63, 11,131.78 and 4,923.64 is: 6,795.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.63 : 11,131.78 = 4,923.64 : x
  2. Step 2: Convert to fraction form
    8,065.63/11,131.78 = 4,923.64/x
  3. Step 3: Cross multiply
    8,065.63x = 11,131.78 × 4,923.64
  4. Step 4: Simplify right side
    8,065.63x = 54,808,852.66
  5. Step 5: Solve for x
    x = 54,808,852.66/8,065.63
  6. Step 6: Final answer
    x = 6,795.36

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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.