Home / 3,947.64-5,921.51-3,827.35

Finding the Fourth Proportional to 3,947.64, 5,921.51 and 3,827.35

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Solution

The fourth proportional to 3,947.64, 5,921.51 and 3,827.35 is: 5,741.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.64 : 5,921.51 = 3,827.35 : x
  2. Step 2: Convert to fraction form
    3,947.64/5,921.51 = 3,827.35/x
  3. Step 3: Cross multiply
    3,947.64x = 5,921.51 × 3,827.35
  4. Step 4: Simplify right side
    3,947.64x = 22,663,679.56
  5. Step 5: Solve for x
    x = 22,663,679.56/3,947.64
  6. Step 6: Final answer
    x = 5,741.08

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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.