Home / 4,508.20-6,762.72-1,221.32

Finding the Fourth Proportional to 4,508.20, 6,762.72 and 1,221.32

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Solution

The fourth proportional to 4,508.20, 6,762.72 and 1,221.32 is: 1,832.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508.20 : 6,762.72 = 1,221.32 : x
  2. Step 2: Convert to fraction form
    4,508.20/6,762.72 = 1,221.32/x
  3. Step 3: Cross multiply
    4,508.20x = 6,762.72 × 1,221.32
  4. Step 4: Simplify right side
    4,508.20x = 8,259,445.19
  5. Step 5: Solve for x
    x = 8,259,445.19/4,508.20
  6. Step 6: Final answer
    x = 1,832.09

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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.