Home / 5,634.80-8,452.24-1,739.20

Finding the Fourth Proportional to 5,634.80, 8,452.24 and 1,739.20

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Solution

The fourth proportional to 5,634.80, 8,452.24 and 1,739.20 is: 2,608.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,634.80 : 8,452.24 = 1,739.20 : x
  2. Step 2: Convert to fraction form
    5,634.80/8,452.24 = 1,739.20/x
  3. Step 3: Cross multiply
    5,634.80x = 8,452.24 × 1,739.20
  4. Step 4: Simplify right side
    5,634.80x = 14,700,135.81
  5. Step 5: Solve for x
    x = 14,700,135.81/5,634.80
  6. Step 6: Final answer
    x = 2,608.81

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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.