Home / 5,152.74-7,106.83-3,161.62

Finding the Fourth Proportional to 5,152.74, 7,106.83 and 3,161.62

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Solution

The fourth proportional to 5,152.74, 7,106.83 and 3,161.62 is: 4,360.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.74 : 7,106.83 = 3,161.62 : x
  2. Step 2: Convert to fraction form
    5,152.74/7,106.83 = 3,161.62/x
  3. Step 3: Cross multiply
    5,152.74x = 7,106.83 × 3,161.62
  4. Step 4: Simplify right side
    5,152.74x = 22,469,095.86
  5. Step 5: Solve for x
    x = 22,469,095.86/5,152.74
  6. Step 6: Final answer
    x = 4,360.61

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1.5x scale

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.