Home / 7,028.05-10,537.97-2,645.85

Finding the Fourth Proportional to 7,028.05, 10,537.97 and 2,645.85

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Solution

The fourth proportional to 7,028.05, 10,537.97 and 2,645.85 is: 3,967.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.05 : 10,537.97 = 2,645.85 : x
  2. Step 2: Convert to fraction form
    7,028.05/10,537.97 = 2,645.85/x
  3. Step 3: Cross multiply
    7,028.05x = 10,537.97 × 2,645.85
  4. Step 4: Simplify right side
    7,028.05x = 27,881,887.92
  5. Step 5: Solve for x
    x = 27,881,887.92/7,028.05
  6. Step 6: Final answer
    x = 3,967.23

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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.