Home / 9,110.50-13,671.45-3,916.36

Finding the Fourth Proportional to 9,110.50, 13,671.45 and 3,916.36

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Solution

The fourth proportional to 9,110.50, 13,671.45 and 3,916.36 is: 5,876.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.50 : 13,671.45 = 3,916.36 : x
  2. Step 2: Convert to fraction form
    9,110.50/13,671.45 = 3,916.36/x
  3. Step 3: Cross multiply
    9,110.50x = 13,671.45 × 3,916.36
  4. Step 4: Simplify right side
    9,110.50x = 53,542,319.92
  5. Step 5: Solve for x
    x = 53,542,319.92/9,110.50
  6. Step 6: Final answer
    x = 5,876.99

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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.