Home / 4,219.43-6,324.01-2,987.19

Finding the Fourth Proportional to 4,219.43, 6,324.01 and 2,987.19

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Solution

The fourth proportional to 4,219.43, 6,324.01 and 2,987.19 is: 4,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.43 : 6,324.01 = 2,987.19 : x
  2. Step 2: Convert to fraction form
    4,219.43/6,324.01 = 2,987.19/x
  3. Step 3: Cross multiply
    4,219.43x = 6,324.01 × 2,987.19
  4. Step 4: Simplify right side
    4,219.43x = 18,891,011.96
  5. Step 5: Solve for x
    x = 18,891,011.96/4,219.43
  6. Step 6: Final answer
    x = 4,477.15

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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.