Home / 5,035.42-7,519.20-4,112.78

Finding the Fourth Proportional to 5,035.42, 7,519.20 and 4,112.78

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Solution

The fourth proportional to 5,035.42, 7,519.20 and 4,112.78 is: 6,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,035.42 : 7,519.20 = 4,112.78 : x
  2. Step 2: Convert to fraction form
    5,035.42/7,519.20 = 4,112.78/x
  3. Step 3: Cross multiply
    5,035.42x = 7,519.20 × 4,112.78
  4. Step 4: Simplify right side
    5,035.42x = 30,924,815.38
  5. Step 5: Solve for x
    x = 30,924,815.38/5,035.42
  6. Step 6: Final answer
    x = 6,141.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.