Home / 5,177.67-7,755.77-2,705.01

Finding the Fourth Proportional to 5,177.67, 7,755.77 and 2,705.01

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Solution

The fourth proportional to 5,177.67, 7,755.77 and 2,705.01 is: 4,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.67 : 7,755.77 = 2,705.01 : x
  2. Step 2: Convert to fraction form
    5,177.67/7,755.77 = 2,705.01/x
  3. Step 3: Cross multiply
    5,177.67x = 7,755.77 × 2,705.01
  4. Step 4: Simplify right side
    5,177.67x = 20,979,421.88
  5. Step 5: Solve for x
    x = 20,979,421.88/5,177.67
  6. Step 6: Final answer
    x = 4,051.90

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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.