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Finding the Fourth Proportional to 6,440.06, 9,659.10 and 2,493.20

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Solution

The fourth proportional to 6,440.06, 9,659.10 and 2,493.20 is: 3,739.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.06 : 9,659.10 = 2,493.20 : x
  2. Step 2: Convert to fraction form
    6,440.06/9,659.10 = 2,493.20/x
  3. Step 3: Cross multiply
    6,440.06x = 9,659.10 × 2,493.20
  4. Step 4: Simplify right side
    6,440.06x = 24,082,068.12
  5. Step 5: Solve for x
    x = 24,082,068.12/6,440.06
  6. Step 6: Final answer
    x = 3,739.42

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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.