Home / 6,404.48-9,609.28-3,479.36

Finding the Fourth Proportional to 6,404.48, 9,609.28 and 3,479.36

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Solution

The fourth proportional to 6,404.48, 9,609.28 and 3,479.36 is: 5,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404.48 : 9,609.28 = 3,479.36 : x
  2. Step 2: Convert to fraction form
    6,404.48/9,609.28 = 3,479.36/x
  3. Step 3: Cross multiply
    6,404.48x = 9,609.28 × 3,479.36
  4. Step 4: Simplify right side
    6,404.48x = 33,434,144.46
  5. Step 5: Solve for x
    x = 33,434,144.46/6,404.48
  6. Step 6: Final answer
    x = 5,220.43

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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.