Home / 4,499.79-6,209.41-2,821.13

Finding the Fourth Proportional to 4,499.79, 6,209.41 and 2,821.13

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Solution

The fourth proportional to 4,499.79, 6,209.41 and 2,821.13 is: 3,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,499.79 : 6,209.41 = 2,821.13 : x
  2. Step 2: Convert to fraction form
    4,499.79/6,209.41 = 2,821.13/x
  3. Step 3: Cross multiply
    4,499.79x = 6,209.41 × 2,821.13
  4. Step 4: Simplify right side
    4,499.79x = 17,517,552.83
  5. Step 5: Solve for x
    x = 17,517,552.83/4,499.79
  6. Step 6: Final answer
    x = 3,892.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.