Home / 6,505.04-9,755.16-2,121.44

Finding the Fourth Proportional to 6,505.04, 9,755.16 and 2,121.44

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Solution

The fourth proportional to 6,505.04, 9,755.16 and 2,121.44 is: 3,181.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.04 : 9,755.16 = 2,121.44 : x
  2. Step 2: Convert to fraction form
    6,505.04/9,755.16 = 2,121.44/x
  3. Step 3: Cross multiply
    6,505.04x = 9,755.16 × 2,121.44
  4. Step 4: Simplify right side
    6,505.04x = 20,694,986.63
  5. Step 5: Solve for x
    x = 20,694,986.63/6,505.04
  6. Step 6: Final answer
    x = 3,181.38

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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.