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Finding the Fourth Proportional to 8,903.66, 13,346.78 and 5,005.13

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Solution

The fourth proportional to 8,903.66, 13,346.78 and 5,005.13 is: 7,502.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.66 : 13,346.78 = 5,005.13 : x
  2. Step 2: Convert to fraction form
    8,903.66/13,346.78 = 5,005.13/x
  3. Step 3: Cross multiply
    8,903.66x = 13,346.78 × 5,005.13
  4. Step 4: Simplify right side
    8,903.66x = 66,802,277.22
  5. Step 5: Solve for x
    x = 66,802,277.22/8,903.66
  6. Step 6: Final answer
    x = 7,502.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.