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Finding the Fourth Proportional to 6,809.52, 10,209.09 and 3,520.52

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Solution

The fourth proportional to 6,809.52, 10,209.09 and 3,520.52 is: 5,278.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.52 : 10,209.09 = 3,520.52 : x
  2. Step 2: Convert to fraction form
    6,809.52/10,209.09 = 3,520.52/x
  3. Step 3: Cross multiply
    6,809.52x = 10,209.09 × 3,520.52
  4. Step 4: Simplify right side
    6,809.52x = 35,941,254.48
  5. Step 5: Solve for x
    x = 35,941,254.48/6,809.52
  6. Step 6: Final answer
    x = 5,278.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.