Home / 8,861.43-13,290.32-3,927.93

Finding the Fourth Proportional to 8,861.43, 13,290.32 and 3,927.93

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Solution

The fourth proportional to 8,861.43, 13,290.32 and 3,927.93 is: 5,891.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.43 : 13,290.32 = 3,927.93 : x
  2. Step 2: Convert to fraction form
    8,861.43/13,290.32 = 3,927.93/x
  3. Step 3: Cross multiply
    8,861.43x = 13,290.32 × 3,927.93
  4. Step 4: Simplify right side
    8,861.43x = 52,203,446.64
  5. Step 5: Solve for x
    x = 52,203,446.64/8,861.43
  6. Step 6: Final answer
    x = 5,891.09

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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.