Home / 8,142.15-11,237.99-4,786.04

Finding the Fourth Proportional to 8,142.15, 11,237.99 and 4,786.04

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Solution

The fourth proportional to 8,142.15, 11,237.99 and 4,786.04 is: 6,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.15 : 11,237.99 = 4,786.04 : x
  2. Step 2: Convert to fraction form
    8,142.15/11,237.99 = 4,786.04/x
  3. Step 3: Cross multiply
    8,142.15x = 11,237.99 × 4,786.04
  4. Step 4: Simplify right side
    8,142.15x = 53,785,389.54
  5. Step 5: Solve for x
    x = 53,785,389.54/8,142.15
  6. Step 6: Final answer
    x = 6,605.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.