Home / 6,816.04-10,223.29-2,135.86

Finding the Fourth Proportional to 6,816.04, 10,223.29 and 2,135.86

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Solution

The fourth proportional to 6,816.04, 10,223.29 and 2,135.86 is: 3,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.04 : 10,223.29 = 2,135.86 : x
  2. Step 2: Convert to fraction form
    6,816.04/10,223.29 = 2,135.86/x
  3. Step 3: Cross multiply
    6,816.04x = 10,223.29 × 2,135.86
  4. Step 4: Simplify right side
    6,816.04x = 21,835,516.18
  5. Step 5: Solve for x
    x = 21,835,516.18/6,816.04
  6. Step 6: Final answer
    x = 3,203.55

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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.