Home / 6,815.17-10,222.74-2,135.53

Finding the Fourth Proportional to 6,815.17, 10,222.74 and 2,135.53

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Solution

The fourth proportional to 6,815.17, 10,222.74 and 2,135.53 is: 3,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.17 : 10,222.74 = 2,135.53 : x
  2. Step 2: Convert to fraction form
    6,815.17/10,222.74 = 2,135.53/x
  3. Step 3: Cross multiply
    6,815.17x = 10,222.74 × 2,135.53
  4. Step 4: Simplify right side
    6,815.17x = 21,830,982.83
  5. Step 5: Solve for x
    x = 21,830,982.83/6,815.17
  6. Step 6: Final answer
    x = 3,203.29

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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.