Home / 4,470.48-6,691.68-2,821.32

Finding the Fourth Proportional to 4,470.48, 6,691.68 and 2,821.32

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Solution

The fourth proportional to 4,470.48, 6,691.68 and 2,821.32 is: 4,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,470.48 : 6,691.68 = 2,821.32 : x
  2. Step 2: Convert to fraction form
    4,470.48/6,691.68 = 2,821.32/x
  3. Step 3: Cross multiply
    4,470.48x = 6,691.68 × 2,821.32
  4. Step 4: Simplify right side
    4,470.48x = 18,879,370.62
  5. Step 5: Solve for x
    x = 18,879,370.62/4,470.48
  6. Step 6: Final answer
    x = 4,223.12

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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.