Home / 9,201.09-12,695.49-5,221.29

Finding the Fourth Proportional to 9,201.09, 12,695.49 and 5,221.29

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Solution

The fourth proportional to 9,201.09, 12,695.49 and 5,221.29 is: 7,204.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,201.09 : 12,695.49 = 5,221.29 : x
  2. Step 2: Convert to fraction form
    9,201.09/12,695.49 = 5,221.29/x
  3. Step 3: Cross multiply
    9,201.09x = 12,695.49 × 5,221.29
  4. Step 4: Simplify right side
    9,201.09x = 66,286,834.98
  5. Step 5: Solve for x
    x = 66,286,834.98/9,201.09
  6. Step 6: Final answer
    x = 7,204.24

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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.