Home / 6,668.20-9,199.20-4,150.72

Finding the Fourth Proportional to 6,668.20, 9,199.20 and 4,150.72

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Solution

The fourth proportional to 6,668.20, 9,199.20 and 4,150.72 is: 5,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.20 : 9,199.20 = 4,150.72 : x
  2. Step 2: Convert to fraction form
    6,668.20/9,199.20 = 4,150.72/x
  3. Step 3: Cross multiply
    6,668.20x = 9,199.20 × 4,150.72
  4. Step 4: Simplify right side
    6,668.20x = 38,183,303.42
  5. Step 5: Solve for x
    x = 38,183,303.42/6,668.20
  6. Step 6: Final answer
    x = 5,726.18

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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.