Home / 4,309.30-6,467.19-2,919.34

Finding the Fourth Proportional to 4,309.30, 6,467.19 and 2,919.34

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Solution

The fourth proportional to 4,309.30, 6,467.19 and 2,919.34 is: 4,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.30 : 6,467.19 = 2,919.34 : x
  2. Step 2: Convert to fraction form
    4,309.30/6,467.19 = 2,919.34/x
  3. Step 3: Cross multiply
    4,309.30x = 6,467.19 × 2,919.34
  4. Step 4: Simplify right side
    4,309.30x = 18,879,926.45
  5. Step 5: Solve for x
    x = 18,879,926.45/4,309.30
  6. Step 6: Final answer
    x = 4,381.20

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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.