Home / 6,544.38-9,028.26-3,890.28

Finding the Fourth Proportional to 6,544.38, 9,028.26 and 3,890.28

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Solution

The fourth proportional to 6,544.38, 9,028.26 and 3,890.28 is: 5,366.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,544.38 : 9,028.26 = 3,890.28 : x
  2. Step 2: Convert to fraction form
    6,544.38/9,028.26 = 3,890.28/x
  3. Step 3: Cross multiply
    6,544.38x = 9,028.26 × 3,890.28
  4. Step 4: Simplify right side
    6,544.38x = 35,122,459.31
  5. Step 5: Solve for x
    x = 35,122,459.31/6,544.38
  6. Step 6: Final answer
    x = 5,366.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.