Home / 4,424.86-6,640.13-1,828

Finding the Fourth Proportional to 4,424.86, 6,640.13 and 1,828

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Solution

The fourth proportional to 4,424.86, 6,640.13 and 1,828 is: 2,743.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,424.86 : 6,640.13 = 1,828 : x
  2. Step 2: Convert to fraction form
    4,424.86/6,640.13 = 1,828/x
  3. Step 3: Cross multiply
    4,424.86x = 6,640.13 × 1,828
  4. Step 4: Simplify right side
    4,424.86x = 12,138,157.64
  5. Step 5: Solve for x
    x = 12,138,157.64/4,424.86
  6. Step 6: Final answer
    x = 2,743.17

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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.