Home / 6,421.52-9,634.44-2,723.60

Finding the Fourth Proportional to 6,421.52, 9,634.44 and 2,723.60

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Solution

The fourth proportional to 6,421.52, 9,634.44 and 2,723.60 is: 4,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.52 : 9,634.44 = 2,723.60 : x
  2. Step 2: Convert to fraction form
    6,421.52/9,634.44 = 2,723.60/x
  3. Step 3: Cross multiply
    6,421.52x = 9,634.44 × 2,723.60
  4. Step 4: Simplify right side
    6,421.52x = 26,240,360.78
  5. Step 5: Solve for x
    x = 26,240,360.78/6,421.52
  6. Step 6: Final answer
    x = 4,086.32

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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.