Home / 7,144.89-10,719.54-3,199.47

Finding the Fourth Proportional to 7,144.89, 10,719.54 and 3,199.47

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Solution

The fourth proportional to 7,144.89, 10,719.54 and 3,199.47 is: 4,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.89 : 10,719.54 = 3,199.47 : x
  2. Step 2: Convert to fraction form
    7,144.89/10,719.54 = 3,199.47/x
  3. Step 3: Cross multiply
    7,144.89x = 10,719.54 × 3,199.47
  4. Step 4: Simplify right side
    7,144.89x = 34,296,846.64
  5. Step 5: Solve for x
    x = 34,296,846.64/7,144.89
  6. Step 6: Final answer
    x = 4,800.19

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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.