Home / 9,200.98-12,696.91-5,221.55

Finding the Fourth Proportional to 9,200.98, 12,696.91 and 5,221.55

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Solution

The fourth proportional to 9,200.98, 12,696.91 and 5,221.55 is: 7,205.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200.98 : 12,696.91 = 5,221.55 : x
  2. Step 2: Convert to fraction form
    9,200.98/12,696.91 = 5,221.55/x
  3. Step 3: Cross multiply
    9,200.98x = 12,696.91 × 5,221.55
  4. Step 4: Simplify right side
    9,200.98x = 66,297,550.41
  5. Step 5: Solve for x
    x = 66,297,550.41/9,200.98
  6. Step 6: Final answer
    x = 7,205.49

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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.