Home / 6,542.60-9,028.49-3,709.80

Finding the Fourth Proportional to 6,542.60, 9,028.49 and 3,709.80

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Solution

The fourth proportional to 6,542.60, 9,028.49 and 3,709.80 is: 5,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.60 : 9,028.49 = 3,709.80 : x
  2. Step 2: Convert to fraction form
    6,542.60/9,028.49 = 3,709.80/x
  3. Step 3: Cross multiply
    6,542.60x = 9,028.49 × 3,709.80
  4. Step 4: Simplify right side
    6,542.60x = 33,493,873.65
  5. Step 5: Solve for x
    x = 33,493,873.65/6,542.60
  6. Step 6: Final answer
    x = 5,119.36

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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.