Home / 6,122.88-8,446.44-3,603.36

Finding the Fourth Proportional to 6,122.88, 8,446.44 and 3,603.36

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Solution

The fourth proportional to 6,122.88, 8,446.44 and 3,603.36 is: 4,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.88 : 8,446.44 = 3,603.36 : x
  2. Step 2: Convert to fraction form
    6,122.88/8,446.44 = 3,603.36/x
  3. Step 3: Cross multiply
    6,122.88x = 8,446.44 × 3,603.36
  4. Step 4: Simplify right side
    6,122.88x = 30,435,564.04
  5. Step 5: Solve for x
    x = 30,435,564.04/6,122.88
  6. Step 6: Final answer
    x = 4,970.79

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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.