Home / 5,028.11-7,542.01-1,330.37

Finding the Fourth Proportional to 5,028.11, 7,542.01 and 1,330.37

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Solution

The fourth proportional to 5,028.11, 7,542.01 and 1,330.37 is: 1,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.11 : 7,542.01 = 1,330.37 : x
  2. Step 2: Convert to fraction form
    5,028.11/7,542.01 = 1,330.37/x
  3. Step 3: Cross multiply
    5,028.11x = 7,542.01 × 1,330.37
  4. Step 4: Simplify right side
    5,028.11x = 10,033,663.84
  5. Step 5: Solve for x
    x = 10,033,663.84/5,028.11
  6. Step 6: Final answer
    x = 1,995.51

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Double scale
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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.