Home / 8,910.88-13,353.52-3,907.22

Finding the Fourth Proportional to 8,910.88, 13,353.52 and 3,907.22

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Solution

The fourth proportional to 8,910.88, 13,353.52 and 3,907.22 is: 5,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.88 : 13,353.52 = 3,907.22 : x
  2. Step 2: Convert to fraction form
    8,910.88/13,353.52 = 3,907.22/x
  3. Step 3: Cross multiply
    8,910.88x = 13,353.52 × 3,907.22
  4. Step 4: Simplify right side
    8,910.88x = 52,175,140.41
  5. Step 5: Solve for x
    x = 52,175,140.41/8,910.88
  6. Step 6: Final answer
    x = 5,855.22

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1.5x scale

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.