Home / 4,257.37-6,386.87-1,334.89

Finding the Fourth Proportional to 4,257.37, 6,386.87 and 1,334.89

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Solution

The fourth proportional to 4,257.37, 6,386.87 and 1,334.89 is: 2,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.37 : 6,386.87 = 1,334.89 : x
  2. Step 2: Convert to fraction form
    4,257.37/6,386.87 = 1,334.89/x
  3. Step 3: Cross multiply
    4,257.37x = 6,386.87 × 1,334.89
  4. Step 4: Simplify right side
    4,257.37x = 8,525,768.89
  5. Step 5: Solve for x
    x = 8,525,768.89/4,257.37
  6. Step 6: Final answer
    x = 2,002.59

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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.