Home / 4,917.92-7,376.67-1,220.06

Finding the Fourth Proportional to 4,917.92, 7,376.67 and 1,220.06

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Solution

The fourth proportional to 4,917.92, 7,376.67 and 1,220.06 is: 1,830.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.92 : 7,376.67 = 1,220.06 : x
  2. Step 2: Convert to fraction form
    4,917.92/7,376.67 = 1,220.06/x
  3. Step 3: Cross multiply
    4,917.92x = 7,376.67 × 1,220.06
  4. Step 4: Simplify right side
    4,917.92x = 8,999,998.44
  5. Step 5: Solve for x
    x = 8,999,998.44/4,917.92
  6. Step 6: Final answer
    x = 1,830.04

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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.