Home / 6,311.20-9,458.88-3,707.68

Finding the Fourth Proportional to 6,311.20, 9,458.88 and 3,707.68

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Solution

The fourth proportional to 6,311.20, 9,458.88 and 3,707.68 is: 5,556.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,311.20 : 9,458.88 = 3,707.68 : x
  2. Step 2: Convert to fraction form
    6,311.20/9,458.88 = 3,707.68/x
  3. Step 3: Cross multiply
    6,311.20x = 9,458.88 × 3,707.68
  4. Step 4: Simplify right side
    6,311.20x = 35,070,500.20
  5. Step 5: Solve for x
    x = 35,070,500.20/6,311.20
  6. Step 6: Final answer
    x = 5,556.87

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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.