Home / 7,160.16-10,740.23-3,879.66

Finding the Fourth Proportional to 7,160.16, 10,740.23 and 3,879.66

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Solution

The fourth proportional to 7,160.16, 10,740.23 and 3,879.66 is: 5,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.16 : 10,740.23 = 3,879.66 : x
  2. Step 2: Convert to fraction form
    7,160.16/10,740.23 = 3,879.66/x
  3. Step 3: Cross multiply
    7,160.16x = 10,740.23 × 3,879.66
  4. Step 4: Simplify right side
    7,160.16x = 41,668,440.72
  5. Step 5: Solve for x
    x = 41,668,440.72/7,160.16
  6. Step 6: Final answer
    x = 5,819.48

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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.