Home / 6,504.42-9,757.58-2,120.80

Finding the Fourth Proportional to 6,504.42, 9,757.58 and 2,120.80

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Solution

The fourth proportional to 6,504.42, 9,757.58 and 2,120.80 is: 3,181.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,504.42 : 9,757.58 = 2,120.80 : x
  2. Step 2: Convert to fraction form
    6,504.42/9,757.58 = 2,120.80/x
  3. Step 3: Cross multiply
    6,504.42x = 9,757.58 × 2,120.80
  4. Step 4: Simplify right side
    6,504.42x = 20,693,875.66
  5. Step 5: Solve for x
    x = 20,693,875.66/6,504.42
  6. Step 6: Final answer
    x = 3,181.51

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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.