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Finding the Fourth Proportional to 6,659.07, 9,990.29 and 2,499.09

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Solution

The fourth proportional to 6,659.07, 9,990.29 and 2,499.09 is: 3,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.07 : 9,990.29 = 2,499.09 : x
  2. Step 2: Convert to fraction form
    6,659.07/9,990.29 = 2,499.09/x
  3. Step 3: Cross multiply
    6,659.07x = 9,990.29 × 2,499.09
  4. Step 4: Simplify right side
    6,659.07x = 24,966,621.34
  5. Step 5: Solve for x
    x = 24,966,621.34/6,659.07
  6. Step 6: Final answer
    x = 3,749.27

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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.