Home / 6,448.60-9,694.77-5,148.96

Finding the Fourth Proportional to 6,448.60, 9,694.77 and 5,148.96

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Solution

The fourth proportional to 6,448.60, 9,694.77 and 5,148.96 is: 7,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.60 : 9,694.77 = 5,148.96 : x
  2. Step 2: Convert to fraction form
    6,448.60/9,694.77 = 5,148.96/x
  3. Step 3: Cross multiply
    6,448.60x = 9,694.77 × 5,148.96
  4. Step 4: Simplify right side
    6,448.60x = 49,917,982.94
  5. Step 5: Solve for x
    x = 49,917,982.94/6,448.60
  6. Step 6: Final answer
    x = 7,740.90

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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.