Home / 5,035.78-7,553.10-1,338.30

Finding the Fourth Proportional to 5,035.78, 7,553.10 and 1,338.30

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Solution

The fourth proportional to 5,035.78, 7,553.10 and 1,338.30 is: 2,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,035.78 : 7,553.10 = 1,338.30 : x
  2. Step 2: Convert to fraction form
    5,035.78/7,553.10 = 1,338.30/x
  3. Step 3: Cross multiply
    5,035.78x = 7,553.10 × 1,338.30
  4. Step 4: Simplify right side
    5,035.78x = 10,108,313.73
  5. Step 5: Solve for x
    x = 10,108,313.73/5,035.78
  6. Step 6: Final answer
    x = 2,007.30

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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.