Home / 6,874.72-10,312.67-2,195.39

Finding the Fourth Proportional to 6,874.72, 10,312.67 and 2,195.39

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Solution

The fourth proportional to 6,874.72, 10,312.67 and 2,195.39 is: 3,293.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.72 : 10,312.67 = 2,195.39 : x
  2. Step 2: Convert to fraction form
    6,874.72/10,312.67 = 2,195.39/x
  3. Step 3: Cross multiply
    6,874.72x = 10,312.67 × 2,195.39
  4. Step 4: Simplify right side
    6,874.72x = 22,640,363.86
  5. Step 5: Solve for x
    x = 22,640,363.86/6,874.72
  6. Step 6: Final answer
    x = 3,293.28

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1.5x scale

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.