Home / 5,577.98-7,699.25-3,221.69

Finding the Fourth Proportional to 5,577.98, 7,699.25 and 3,221.69

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Solution

The fourth proportional to 5,577.98, 7,699.25 and 3,221.69 is: 4,446.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.98 : 7,699.25 = 3,221.69 : x
  2. Step 2: Convert to fraction form
    5,577.98/7,699.25 = 3,221.69/x
  3. Step 3: Cross multiply
    5,577.98x = 7,699.25 × 3,221.69
  4. Step 4: Simplify right side
    5,577.98x = 24,804,566.29
  5. Step 5: Solve for x
    x = 24,804,566.29/5,577.98
  6. Step 6: Final answer
    x = 4,446.88

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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.