Home / 6,440.26-9,659.78-2,056.96

Finding the Fourth Proportional to 6,440.26, 9,659.78 and 2,056.96

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Solution

The fourth proportional to 6,440.26, 9,659.78 and 2,056.96 is: 3,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.26 : 9,659.78 = 2,056.96 : x
  2. Step 2: Convert to fraction form
    6,440.26/9,659.78 = 2,056.96/x
  3. Step 3: Cross multiply
    6,440.26x = 9,659.78 × 2,056.96
  4. Step 4: Simplify right side
    6,440.26x = 19,869,781.07
  5. Step 5: Solve for x
    x = 19,869,781.07/6,440.26
  6. Step 6: Final answer
    x = 3,085.25

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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.