Home / 6,404.73-9,609.81-3,117.84

Finding the Fourth Proportional to 6,404.73, 9,609.81 and 3,117.84

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Solution

The fourth proportional to 6,404.73, 9,609.81 and 3,117.84 is: 4,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404.73 : 9,609.81 = 3,117.84 : x
  2. Step 2: Convert to fraction form
    6,404.73/9,609.81 = 3,117.84/x
  3. Step 3: Cross multiply
    6,404.73x = 9,609.81 × 3,117.84
  4. Step 4: Simplify right side
    6,404.73x = 29,961,850.01
  5. Step 5: Solve for x
    x = 29,961,850.01/6,404.73
  6. Step 6: Final answer
    x = 4,678.08

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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.