Home / 9,201.42-12,698.36-5,222.91

Finding the Fourth Proportional to 9,201.42, 12,698.36 and 5,222.91

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Solution

The fourth proportional to 9,201.42, 12,698.36 and 5,222.91 is: 7,207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,201.42 : 12,698.36 = 5,222.91 : x
  2. Step 2: Convert to fraction form
    9,201.42/12,698.36 = 5,222.91/x
  3. Step 3: Cross multiply
    9,201.42x = 12,698.36 × 5,222.91
  4. Step 4: Simplify right side
    9,201.42x = 66,322,391.43
  5. Step 5: Solve for x
    x = 66,322,391.43/9,201.42
  6. Step 6: Final answer
    x = 7,207.84

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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.