Home / 5,577.89-7,697.49-3,220.03

Finding the Fourth Proportional to 5,577.89, 7,697.49 and 3,220.03

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Solution

The fourth proportional to 5,577.89, 7,697.49 and 3,220.03 is: 4,443.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.89 : 7,697.49 = 3,220.03 : x
  2. Step 2: Convert to fraction form
    5,577.89/7,697.49 = 3,220.03/x
  3. Step 3: Cross multiply
    5,577.89x = 7,697.49 × 3,220.03
  4. Step 4: Simplify right side
    5,577.89x = 24,786,148.72
  5. Step 5: Solve for x
    x = 24,786,148.72/5,577.89
  6. Step 6: Final answer
    x = 4,443.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.