Home / 7,821.26-11,727.56-2,625.74

Finding the Fourth Proportional to 7,821.26, 11,727.56 and 2,625.74

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Solution

The fourth proportional to 7,821.26, 11,727.56 and 2,625.74 is: 3,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.26 : 11,727.56 = 2,625.74 : x
  2. Step 2: Convert to fraction form
    7,821.26/11,727.56 = 2,625.74/x
  3. Step 3: Cross multiply
    7,821.26x = 11,727.56 × 2,625.74
  4. Step 4: Simplify right side
    7,821.26x = 30,793,523.39
  5. Step 5: Solve for x
    x = 30,793,523.39/7,821.26
  6. Step 6: Final answer
    x = 3,937.16

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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.