Home / 8,857.03-13,287.18-3,663.31

Finding the Fourth Proportional to 8,857.03, 13,287.18 and 3,663.31

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Solution

The fourth proportional to 8,857.03, 13,287.18 and 3,663.31 is: 5,495.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.03 : 13,287.18 = 3,663.31 : x
  2. Step 2: Convert to fraction form
    8,857.03/13,287.18 = 3,663.31/x
  3. Step 3: Cross multiply
    8,857.03x = 13,287.18 × 3,663.31
  4. Step 4: Simplify right side
    8,857.03x = 48,675,059.37
  5. Step 5: Solve for x
    x = 48,675,059.37/8,857.03
  6. Step 6: Final answer
    x = 5,495.64

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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.