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Finding the Fourth Proportional to 8,664.51, 11,951.63 and 5,125.22

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Solution

The fourth proportional to 8,664.51, 11,951.63 and 5,125.22 is: 7,069.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.51 : 11,951.63 = 5,125.22 : x
  2. Step 2: Convert to fraction form
    8,664.51/11,951.63 = 5,125.22/x
  3. Step 3: Cross multiply
    8,664.51x = 11,951.63 × 5,125.22
  4. Step 4: Simplify right side
    8,664.51x = 61,254,711.76
  5. Step 5: Solve for x
    x = 61,254,711.76/8,664.51
  6. Step 6: Final answer
    x = 7,069.61

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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.