Home / 5,561.25-8,343.54-3,220.71

Finding the Fourth Proportional to 5,561.25, 8,343.54 and 3,220.71

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Solution

The fourth proportional to 5,561.25, 8,343.54 and 3,220.71 is: 4,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.25 : 8,343.54 = 3,220.71 : x
  2. Step 2: Convert to fraction form
    5,561.25/8,343.54 = 3,220.71/x
  3. Step 3: Cross multiply
    5,561.25x = 8,343.54 × 3,220.71
  4. Step 4: Simplify right side
    5,561.25x = 26,872,122.71
  5. Step 5: Solve for x
    x = 26,872,122.71/5,561.25
  6. Step 6: Final answer
    x = 4,832.03

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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.