Home / 6,787.61-10,172.90-3,669.11

Finding the Fourth Proportional to 6,787.61, 10,172.90 and 3,669.11

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Solution

The fourth proportional to 6,787.61, 10,172.90 and 3,669.11 is: 5,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.61 : 10,172.90 = 3,669.11 : x
  2. Step 2: Convert to fraction form
    6,787.61/10,172.90 = 3,669.11/x
  3. Step 3: Cross multiply
    6,787.61x = 10,172.90 × 3,669.11
  4. Step 4: Simplify right side
    6,787.61x = 37,325,447.43
  5. Step 5: Solve for x
    x = 37,325,447.43/6,787.61
  6. Step 6: Final answer
    x = 5,499.06

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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.