Home / 7,917.87-11,876.61-4,591.08

Finding the Fourth Proportional to 7,917.87, 11,876.61 and 4,591.08

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Solution

The fourth proportional to 7,917.87, 11,876.61 and 4,591.08 is: 6,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.87 : 11,876.61 = 4,591.08 : x
  2. Step 2: Convert to fraction form
    7,917.87/11,876.61 = 4,591.08/x
  3. Step 3: Cross multiply
    7,917.87x = 11,876.61 × 4,591.08
  4. Step 4: Simplify right side
    7,917.87x = 54,526,466.64
  5. Step 5: Solve for x
    x = 54,526,466.64/7,917.87
  6. Step 6: Final answer
    x = 6,886.51

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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.