Home / 4,838.90-7,260.75-1,917.14

Finding the Fourth Proportional to 4,838.90, 7,260.75 and 1,917.14

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Solution

The fourth proportional to 4,838.90, 7,260.75 and 1,917.14 is: 2,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.90 : 7,260.75 = 1,917.14 : x
  2. Step 2: Convert to fraction form
    4,838.90/7,260.75 = 1,917.14/x
  3. Step 3: Cross multiply
    4,838.90x = 7,260.75 × 1,917.14
  4. Step 4: Simplify right side
    4,838.90x = 13,919,874.26
  5. Step 5: Solve for x
    x = 13,919,874.26/4,838.90
  6. Step 6: Final answer
    x = 2,876.66

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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.