Home / 5,080.13-7,613.51-2,154.81

Finding the Fourth Proportional to 5,080.13, 7,613.51 and 2,154.81

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Solution

The fourth proportional to 5,080.13, 7,613.51 and 2,154.81 is: 3,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.13 : 7,613.51 = 2,154.81 : x
  2. Step 2: Convert to fraction form
    5,080.13/7,613.51 = 2,154.81/x
  3. Step 3: Cross multiply
    5,080.13x = 7,613.51 × 2,154.81
  4. Step 4: Simplify right side
    5,080.13x = 16,405,656.71
  5. Step 5: Solve for x
    x = 16,405,656.71/5,080.13
  6. Step 6: Final answer
    x = 3,229.38

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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.