Home / 8,631.10-11,898.24-6,105.43

Finding the Fourth Proportional to 8,631.10, 11,898.24 and 6,105.43

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Solution

The fourth proportional to 8,631.10, 11,898.24 and 6,105.43 is: 8,416.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.10 : 11,898.24 = 6,105.43 : x
  2. Step 2: Convert to fraction form
    8,631.10/11,898.24 = 6,105.43/x
  3. Step 3: Cross multiply
    8,631.10x = 11,898.24 × 6,105.43
  4. Step 4: Simplify right side
    8,631.10x = 72,643,871.44
  5. Step 5: Solve for x
    x = 72,643,871.44/8,631.10
  6. Step 6: Final answer
    x = 8,416.53

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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.