Home / 4,840.38-7,262.10-1,917

Finding the Fourth Proportional to 4,840.38, 7,262.10 and 1,917

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Solution

The fourth proportional to 4,840.38, 7,262.10 and 1,917 is: 2,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.38 : 7,262.10 = 1,917 : x
  2. Step 2: Convert to fraction form
    4,840.38/7,262.10 = 1,917/x
  3. Step 3: Cross multiply
    4,840.38x = 7,262.10 × 1,917
  4. Step 4: Simplify right side
    4,840.38x = 13,921,445.70
  5. Step 5: Solve for x
    x = 13,921,445.70/4,840.38
  6. Step 6: Final answer
    x = 2,876.11

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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.