Home / 4,916.72-6,791.71-3,928.93

Finding the Fourth Proportional to 4,916.72, 6,791.71 and 3,928.93

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Solution

The fourth proportional to 4,916.72, 6,791.71 and 3,928.93 is: 5,427.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.72 : 6,791.71 = 3,928.93 : x
  2. Step 2: Convert to fraction form
    4,916.72/6,791.71 = 3,928.93/x
  3. Step 3: Cross multiply
    4,916.72x = 6,791.71 × 3,928.93
  4. Step 4: Simplify right side
    4,916.72x = 26,684,153.17
  5. Step 5: Solve for x
    x = 26,684,153.17/4,916.72
  6. Step 6: Final answer
    x = 5,427.23

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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.