Home / 6,418.88-8,859.52-3,625.28

Finding the Fourth Proportional to 6,418.88, 8,859.52 and 3,625.28

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Solution

The fourth proportional to 6,418.88, 8,859.52 and 3,625.28 is: 5,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.88 : 8,859.52 = 3,625.28 : x
  2. Step 2: Convert to fraction form
    6,418.88/8,859.52 = 3,625.28/x
  3. Step 3: Cross multiply
    6,418.88x = 8,859.52 × 3,625.28
  4. Step 4: Simplify right side
    6,418.88x = 32,118,240.67
  5. Step 5: Solve for x
    x = 32,118,240.67/6,418.88
  6. Step 6: Final answer
    x = 5,003.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.