Home / 4,421.82-6,624.52-3,929.75

Finding the Fourth Proportional to 4,421.82, 6,624.52 and 3,929.75

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Solution

The fourth proportional to 4,421.82, 6,624.52 and 3,929.75 is: 5,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.82 : 6,624.52 = 3,929.75 : x
  2. Step 2: Convert to fraction form
    4,421.82/6,624.52 = 3,929.75/x
  3. Step 3: Cross multiply
    4,421.82x = 6,624.52 × 3,929.75
  4. Step 4: Simplify right side
    4,421.82x = 26,032,689.36
  5. Step 5: Solve for x
    x = 26,032,689.36/4,421.82
  6. Step 6: Final answer
    x = 5,887.32

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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.