Home / 4,219.72-6,327.76-1,446.66

Finding the Fourth Proportional to 4,219.72, 6,327.76 and 1,446.66

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Solution

The fourth proportional to 4,219.72, 6,327.76 and 1,446.66 is: 2,169.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.72 : 6,327.76 = 1,446.66 : x
  2. Step 2: Convert to fraction form
    4,219.72/6,327.76 = 1,446.66/x
  3. Step 3: Cross multiply
    4,219.72x = 6,327.76 × 1,446.66
  4. Step 4: Simplify right side
    4,219.72x = 9,154,117.28
  5. Step 5: Solve for x
    x = 9,154,117.28/4,219.72
  6. Step 6: Final answer
    x = 2,169.37

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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.