Home / 6,537.66-9,790.34-3,420.29

Finding the Fourth Proportional to 6,537.66, 9,790.34 and 3,420.29

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Solution

The fourth proportional to 6,537.66, 9,790.34 and 3,420.29 is: 5,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,537.66 : 9,790.34 = 3,420.29 : x
  2. Step 2: Convert to fraction form
    6,537.66/9,790.34 = 3,420.29/x
  3. Step 3: Cross multiply
    6,537.66x = 9,790.34 × 3,420.29
  4. Step 4: Simplify right side
    6,537.66x = 33,485,761.60
  5. Step 5: Solve for x
    x = 33,485,761.60/6,537.66
  6. Step 6: Final answer
    x = 5,121.98

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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.