Home / 4,621.38-6,933.40-2,157.66

Finding the Fourth Proportional to 4,621.38, 6,933.40 and 2,157.66

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Solution

The fourth proportional to 4,621.38, 6,933.40 and 2,157.66 is: 3,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.38 : 6,933.40 = 2,157.66 : x
  2. Step 2: Convert to fraction form
    4,621.38/6,933.40 = 2,157.66/x
  3. Step 3: Cross multiply
    4,621.38x = 6,933.40 × 2,157.66
  4. Step 4: Simplify right side
    4,621.38x = 14,959,919.84
  5. Step 5: Solve for x
    x = 14,959,919.84/4,621.38
  6. Step 6: Final answer
    x = 3,237.11

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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.