Home / 4,257.80-6,386.69-1,336.33

Finding the Fourth Proportional to 4,257.80, 6,386.69 and 1,336.33

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Solution

The fourth proportional to 4,257.80, 6,386.69 and 1,336.33 is: 2,004.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.80 : 6,386.69 = 1,336.33 : x
  2. Step 2: Convert to fraction form
    4,257.80/6,386.69 = 1,336.33/x
  3. Step 3: Cross multiply
    4,257.80x = 6,386.69 × 1,336.33
  4. Step 4: Simplify right side
    4,257.80x = 8,534,725.45
  5. Step 5: Solve for x
    x = 8,534,725.45/4,257.80
  6. Step 6: Final answer
    x = 2,004.49

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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.