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Finding the Fourth Proportional to 6,339.09, 8,750.27 and 3,821.29

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Solution

The fourth proportional to 6,339.09, 8,750.27 and 3,821.29 is: 5,274.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.09 : 8,750.27 = 3,821.29 : x
  2. Step 2: Convert to fraction form
    6,339.09/8,750.27 = 3,821.29/x
  3. Step 3: Cross multiply
    6,339.09x = 8,750.27 × 3,821.29
  4. Step 4: Simplify right side
    6,339.09x = 33,437,319.25
  5. Step 5: Solve for x
    x = 33,437,319.25/6,339.09
  6. Step 6: Final answer
    x = 5,274.78

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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.