Home / 8,209.08-11,332.26-5,229

Finding the Fourth Proportional to 8,209.08, 11,332.26 and 5,229

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Solution

The fourth proportional to 8,209.08, 11,332.26 and 5,229 is: 7,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.08 : 11,332.26 = 5,229 : x
  2. Step 2: Convert to fraction form
    8,209.08/11,332.26 = 5,229/x
  3. Step 3: Cross multiply
    8,209.08x = 11,332.26 × 5,229
  4. Step 4: Simplify right side
    8,209.08x = 59,256,387.54
  5. Step 5: Solve for x
    x = 59,256,387.54/8,209.08
  6. Step 6: Final answer
    x = 7,218.40

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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.