Home / 5,318.17-7,976.29-2,685.06

Finding the Fourth Proportional to 5,318.17, 7,976.29 and 2,685.06

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Solution

The fourth proportional to 5,318.17, 7,976.29 and 2,685.06 is: 4,027.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.17 : 7,976.29 = 2,685.06 : x
  2. Step 2: Convert to fraction form
    5,318.17/7,976.29 = 2,685.06/x
  3. Step 3: Cross multiply
    5,318.17x = 7,976.29 × 2,685.06
  4. Step 4: Simplify right side
    5,318.17x = 21,416,764.96
  5. Step 5: Solve for x
    x = 21,416,764.96/5,318.17
  6. Step 6: Final answer
    x = 4,027.09

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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.