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Finding the Fourth Proportional to 6,947.76, 9,587.64 and 3,804

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Solution

The fourth proportional to 6,947.76, 9,587.64 and 3,804 is: 5,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.76 : 9,587.64 = 3,804 : x
  2. Step 2: Convert to fraction form
    6,947.76/9,587.64 = 3,804/x
  3. Step 3: Cross multiply
    6,947.76x = 9,587.64 × 3,804
  4. Step 4: Simplify right side
    6,947.76x = 36,471,382.56
  5. Step 5: Solve for x
    x = 36,471,382.56/6,947.76
  6. Step 6: Final answer
    x = 5,249.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.