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Finding the Fourth Proportional to 8,890.93, 13,317.22 and 4,203.87

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Solution

The fourth proportional to 8,890.93, 13,317.22 and 4,203.87 is: 6,296.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.93 : 13,317.22 = 4,203.87 : x
  2. Step 2: Convert to fraction form
    8,890.93/13,317.22 = 4,203.87/x
  3. Step 3: Cross multiply
    8,890.93x = 13,317.22 × 4,203.87
  4. Step 4: Simplify right side
    8,890.93x = 55,983,861.64
  5. Step 5: Solve for x
    x = 55,983,861.64/8,890.93
  6. Step 6: Final answer
    x = 6,296.74

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Why These Related Problems?

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