Home / 7,220.37-10,827.74-2,221.26

Finding the Fourth Proportional to 7,220.37, 10,827.74 and 2,221.26

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Solution

The fourth proportional to 7,220.37, 10,827.74 and 2,221.26 is: 3,331.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.37 : 10,827.74 = 2,221.26 : x
  2. Step 2: Convert to fraction form
    7,220.37/10,827.74 = 2,221.26/x
  3. Step 3: Cross multiply
    7,220.37x = 10,827.74 × 2,221.26
  4. Step 4: Simplify right side
    7,220.37x = 24,051,190.70
  5. Step 5: Solve for x
    x = 24,051,190.70/7,220.37
  6. Step 6: Final answer
    x = 3,331.02

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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.