Home / 6,542.50-9,028.85-3,709.80

Finding the Fourth Proportional to 6,542.50, 9,028.85 and 3,709.80

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Solution

The fourth proportional to 6,542.50, 9,028.85 and 3,709.80 is: 5,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.50 : 9,028.85 = 3,709.80 : x
  2. Step 2: Convert to fraction form
    6,542.50/9,028.85 = 3,709.80/x
  3. Step 3: Cross multiply
    6,542.50x = 9,028.85 × 3,709.80
  4. Step 4: Simplify right side
    6,542.50x = 33,495,227.73
  5. Step 5: Solve for x
    x = 33,495,227.73/6,542.50
  6. Step 6: Final answer
    x = 5,119.64

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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.