Home / 5,403.07-8,099.04-3,918.58

Finding the Fourth Proportional to 5,403.07, 8,099.04 and 3,918.58

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Solution

The fourth proportional to 5,403.07, 8,099.04 and 3,918.58 is: 5,873.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.07 : 8,099.04 = 3,918.58 : x
  2. Step 2: Convert to fraction form
    5,403.07/8,099.04 = 3,918.58/x
  3. Step 3: Cross multiply
    5,403.07x = 8,099.04 × 3,918.58
  4. Step 4: Simplify right side
    5,403.07x = 31,736,708.57
  5. Step 5: Solve for x
    x = 31,736,708.57/5,403.07
  6. Step 6: Final answer
    x = 5,873.83

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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.