Home / 4,257.09-6,386.58-3,174.39

Finding the Fourth Proportional to 4,257.09, 6,386.58 and 3,174.39

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Solution

The fourth proportional to 4,257.09, 6,386.58 and 3,174.39 is: 4,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.09 : 6,386.58 = 3,174.39 : x
  2. Step 2: Convert to fraction form
    4,257.09/6,386.58 = 3,174.39/x
  3. Step 3: Cross multiply
    4,257.09x = 6,386.58 × 3,174.39
  4. Step 4: Simplify right side
    4,257.09x = 20,273,495.69
  5. Step 5: Solve for x
    x = 20,273,495.69/4,257.09
  6. Step 6: Final answer
    x = 4,762.29

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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.