Home / 4,518.72-6,781.32-2,054.88

Finding the Fourth Proportional to 4,518.72, 6,781.32 and 2,054.88

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Solution

The fourth proportional to 4,518.72, 6,781.32 and 2,054.88 is: 3,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.72 : 6,781.32 = 2,054.88 : x
  2. Step 2: Convert to fraction form
    4,518.72/6,781.32 = 2,054.88/x
  3. Step 3: Cross multiply
    4,518.72x = 6,781.32 × 2,054.88
  4. Step 4: Simplify right side
    4,518.72x = 13,934,798.84
  5. Step 5: Solve for x
    x = 13,934,798.84/4,518.72
  6. Step 6: Final answer
    x = 3,083.79

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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.