Home / 8,857.53-13,287.92-3,663.81

Finding the Fourth Proportional to 8,857.53, 13,287.92 and 3,663.81

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Solution

The fourth proportional to 8,857.53, 13,287.92 and 3,663.81 is: 5,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.53 : 13,287.92 = 3,663.81 : x
  2. Step 2: Convert to fraction form
    8,857.53/13,287.92 = 3,663.81/x
  3. Step 3: Cross multiply
    8,857.53x = 13,287.92 × 3,663.81
  4. Step 4: Simplify right side
    8,857.53x = 48,684,395.86
  5. Step 5: Solve for x
    x = 48,684,395.86/8,857.53
  6. Step 6: Final answer
    x = 5,496.39

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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.