Home / 4,392.36-6,588.88-1,272.41

Finding the Fourth Proportional to 4,392.36, 6,588.88 and 1,272.41

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Solution

The fourth proportional to 4,392.36, 6,588.88 and 1,272.41 is: 1,908.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.36 : 6,588.88 = 1,272.41 : x
  2. Step 2: Convert to fraction form
    4,392.36/6,588.88 = 1,272.41/x
  3. Step 3: Cross multiply
    4,392.36x = 6,588.88 × 1,272.41
  4. Step 4: Simplify right side
    4,392.36x = 8,383,756.80
  5. Step 5: Solve for x
    x = 8,383,756.80/4,392.36
  6. Step 6: Final answer
    x = 1,908.71

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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.