Home / 7,220.75-10,823.83-2,841.28

Finding the Fourth Proportional to 7,220.75, 10,823.83 and 2,841.28

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Solution

The fourth proportional to 7,220.75, 10,823.83 and 2,841.28 is: 4,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.75 : 10,823.83 = 2,841.28 : x
  2. Step 2: Convert to fraction form
    7,220.75/10,823.83 = 2,841.28/x
  3. Step 3: Cross multiply
    7,220.75x = 10,823.83 × 2,841.28
  4. Step 4: Simplify right side
    7,220.75x = 30,753,497.54
  5. Step 5: Solve for x
    x = 30,753,497.54/7,220.75
  6. Step 6: Final answer
    x = 4,259.05

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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.