Home / 5,577.20-8,365.35-1,879.35

Finding the Fourth Proportional to 5,577.20, 8,365.35 and 1,879.35

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Solution

The fourth proportional to 5,577.20, 8,365.35 and 1,879.35 is: 2,818.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.20 : 8,365.35 = 1,879.35 : x
  2. Step 2: Convert to fraction form
    5,577.20/8,365.35 = 1,879.35/x
  3. Step 3: Cross multiply
    5,577.20x = 8,365.35 × 1,879.35
  4. Step 4: Simplify right side
    5,577.20x = 15,721,403.02
  5. Step 5: Solve for x
    x = 15,721,403.02/5,577.20
  6. Step 6: Final answer
    x = 2,818.87

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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.