Home / 6,625.98-9,143.94-3,642.09

Finding the Fourth Proportional to 6,625.98, 9,143.94 and 3,642.09

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Solution

The fourth proportional to 6,625.98, 9,143.94 and 3,642.09 is: 5,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.98 : 9,143.94 = 3,642.09 : x
  2. Step 2: Convert to fraction form
    6,625.98/9,143.94 = 3,642.09/x
  3. Step 3: Cross multiply
    6,625.98x = 9,143.94 × 3,642.09
  4. Step 4: Simplify right side
    6,625.98x = 33,303,052.43
  5. Step 5: Solve for x
    x = 33,303,052.43/6,625.98
  6. Step 6: Final answer
    x = 5,026.13

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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.