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Finding the Fourth Proportional to 8,722.50, 12,037.14 and 4,743.66

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Solution

The fourth proportional to 8,722.50, 12,037.14 and 4,743.66 is: 6,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.50 : 12,037.14 = 4,743.66 : x
  2. Step 2: Convert to fraction form
    8,722.50/12,037.14 = 4,743.66/x
  3. Step 3: Cross multiply
    8,722.50x = 12,037.14 × 4,743.66
  4. Step 4: Simplify right side
    8,722.50x = 57,100,099.53
  5. Step 5: Solve for x
    x = 57,100,099.53/8,722.50
  6. Step 6: Final answer
    x = 6,546.30

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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.