Home / 8,744.18-13,127.71-5,192.79

Finding the Fourth Proportional to 8,744.18, 13,127.71 and 5,192.79

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Solution

The fourth proportional to 8,744.18, 13,127.71 and 5,192.79 is: 7,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.18 : 13,127.71 = 5,192.79 : x
  2. Step 2: Convert to fraction form
    8,744.18/13,127.71 = 5,192.79/x
  3. Step 3: Cross multiply
    8,744.18x = 13,127.71 × 5,192.79
  4. Step 4: Simplify right side
    8,744.18x = 68,169,441.21
  5. Step 5: Solve for x
    x = 68,169,441.21/8,744.18
  6. Step 6: Final answer
    x = 7,795.98

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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.