Home / 6,813.15-10,220.33-2,916.64

Finding the Fourth Proportional to 6,813.15, 10,220.33 and 2,916.64

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Solution

The fourth proportional to 6,813.15, 10,220.33 and 2,916.64 is: 4,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.15 : 10,220.33 = 2,916.64 : x
  2. Step 2: Convert to fraction form
    6,813.15/10,220.33 = 2,916.64/x
  3. Step 3: Cross multiply
    6,813.15x = 10,220.33 × 2,916.64
  4. Step 4: Simplify right side
    6,813.15x = 29,809,023.29
  5. Step 5: Solve for x
    x = 29,809,023.29/6,813.15
  6. Step 6: Final answer
    x = 4,375.22

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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.