Home / 4,416.72-6,625.80-1,338

Finding the Fourth Proportional to 4,416.72, 6,625.80 and 1,338

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Solution

The fourth proportional to 4,416.72, 6,625.80 and 1,338 is: 2,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,416.72 : 6,625.80 = 1,338 : x
  2. Step 2: Convert to fraction form
    4,416.72/6,625.80 = 1,338/x
  3. Step 3: Cross multiply
    4,416.72x = 6,625.80 × 1,338
  4. Step 4: Simplify right side
    4,416.72x = 8,865,320.40
  5. Step 5: Solve for x
    x = 8,865,320.40/4,416.72
  6. Step 6: Final answer
    x = 2,007.22

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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.