Home / 5,609.13-8,414.99-3,145.65

Finding the Fourth Proportional to 5,609.13, 8,414.99 and 3,145.65

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Solution

The fourth proportional to 5,609.13, 8,414.99 and 3,145.65 is: 4,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.13 : 8,414.99 = 3,145.65 : x
  2. Step 2: Convert to fraction form
    5,609.13/8,414.99 = 3,145.65/x
  3. Step 3: Cross multiply
    5,609.13x = 8,414.99 × 3,145.65
  4. Step 4: Simplify right side
    5,609.13x = 26,470,613.29
  5. Step 5: Solve for x
    x = 26,470,613.29/5,609.13
  6. Step 6: Final answer
    x = 4,719.20

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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.