Home / 4,490.20-6,727.02-2,642.32

Finding the Fourth Proportional to 4,490.20, 6,727.02 and 2,642.32

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Solution

The fourth proportional to 4,490.20, 6,727.02 and 2,642.32 is: 3,958.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.20 : 6,727.02 = 2,642.32 : x
  2. Step 2: Convert to fraction form
    4,490.20/6,727.02 = 2,642.32/x
  3. Step 3: Cross multiply
    4,490.20x = 6,727.02 × 2,642.32
  4. Step 4: Simplify right side
    4,490.20x = 17,774,939.49
  5. Step 5: Solve for x
    x = 17,774,939.49/4,490.20
  6. Step 6: Final answer
    x = 3,958.61

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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.