Home / 5,392.25-8,090.39-2,429.81

Finding the Fourth Proportional to 5,392.25, 8,090.39 and 2,429.81

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Solution

The fourth proportional to 5,392.25, 8,090.39 and 2,429.81 is: 3,645.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.25 : 8,090.39 = 2,429.81 : x
  2. Step 2: Convert to fraction form
    5,392.25/8,090.39 = 2,429.81/x
  3. Step 3: Cross multiply
    5,392.25x = 8,090.39 × 2,429.81
  4. Step 4: Simplify right side
    5,392.25x = 19,658,110.53
  5. Step 5: Solve for x
    x = 19,658,110.53/5,392.25
  6. Step 6: Final answer
    x = 3,645.62

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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.