Home / 5,634.88-8,453.28-1,739.20

Finding the Fourth Proportional to 5,634.88, 8,453.28 and 1,739.20

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Solution

The fourth proportional to 5,634.88, 8,453.28 and 1,739.20 is: 2,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,634.88 : 8,453.28 = 1,739.20 : x
  2. Step 2: Convert to fraction form
    5,634.88/8,453.28 = 1,739.20/x
  3. Step 3: Cross multiply
    5,634.88x = 8,453.28 × 1,739.20
  4. Step 4: Simplify right side
    5,634.88x = 14,701,944.58
  5. Step 5: Solve for x
    x = 14,701,944.58/5,634.88
  6. Step 6: Final answer
    x = 2,609.10

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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.