Home / 4,341.62-6,511.72-1,221.84

Finding the Fourth Proportional to 4,341.62, 6,511.72 and 1,221.84

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Solution

The fourth proportional to 4,341.62, 6,511.72 and 1,221.84 is: 1,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,341.62 : 6,511.72 = 1,221.84 : x
  2. Step 2: Convert to fraction form
    4,341.62/6,511.72 = 1,221.84/x
  3. Step 3: Cross multiply
    4,341.62x = 6,511.72 × 1,221.84
  4. Step 4: Simplify right side
    4,341.62x = 7,956,279.96
  5. Step 5: Solve for x
    x = 7,956,279.96/4,341.62
  6. Step 6: Final answer
    x = 1,832.56

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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.