Home / 9,201.53-12,696.75-5,221.88

Finding the Fourth Proportional to 9,201.53, 12,696.75 and 5,221.88

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Solution

The fourth proportional to 9,201.53, 12,696.75 and 5,221.88 is: 7,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,201.53 : 12,696.75 = 5,221.88 : x
  2. Step 2: Convert to fraction form
    9,201.53/12,696.75 = 5,221.88/x
  3. Step 3: Cross multiply
    9,201.53x = 12,696.75 × 5,221.88
  4. Step 4: Simplify right side
    9,201.53x = 66,300,904.89
  5. Step 5: Solve for x
    x = 66,300,904.89/9,201.53
  6. Step 6: Final answer
    x = 7,205.42

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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.