Home / 7,161.19-10,746.03-3,874.21

Finding the Fourth Proportional to 7,161.19, 10,746.03 and 3,874.21

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Solution

The fourth proportional to 7,161.19, 10,746.03 and 3,874.21 is: 5,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.19 : 10,746.03 = 3,874.21 : x
  2. Step 2: Convert to fraction form
    7,161.19/10,746.03 = 3,874.21/x
  3. Step 3: Cross multiply
    7,161.19x = 10,746.03 × 3,874.21
  4. Step 4: Simplify right side
    7,161.19x = 41,632,376.89
  5. Step 5: Solve for x
    x = 41,632,376.89/7,161.19
  6. Step 6: Final answer
    x = 5,813.61

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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.