Home / 4,509.30-6,763.17-1,221.96

Finding the Fourth Proportional to 4,509.30, 6,763.17 and 1,221.96

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Solution

The fourth proportional to 4,509.30, 6,763.17 and 1,221.96 is: 1,832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.30 : 6,763.17 = 1,221.96 : x
  2. Step 2: Convert to fraction form
    4,509.30/6,763.17 = 1,221.96/x
  3. Step 3: Cross multiply
    4,509.30x = 6,763.17 × 1,221.96
  4. Step 4: Simplify right side
    4,509.30x = 8,264,323.21
  5. Step 5: Solve for x
    x = 8,264,323.21/4,509.30
  6. Step 6: Final answer
    x = 1,832.73

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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.