Home / 4,621.72-6,932.90-2,784.64

Finding the Fourth Proportional to 4,621.72, 6,932.90 and 2,784.64

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Solution

The fourth proportional to 4,621.72, 6,932.90 and 2,784.64 is: 4,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.72 : 6,932.90 = 2,784.64 : x
  2. Step 2: Convert to fraction form
    4,621.72/6,932.90 = 2,784.64/x
  3. Step 3: Cross multiply
    4,621.72x = 6,932.90 × 2,784.64
  4. Step 4: Simplify right side
    4,621.72x = 19,305,630.66
  5. Step 5: Solve for x
    x = 19,305,630.66/4,621.72
  6. Step 6: Final answer
    x = 4,177.15

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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.