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Finding the Fourth Proportional to 6,262, 8,641.20 and 3,429.37

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Solution

The fourth proportional to 6,262, 8,641.20 and 3,429.37 is: 4,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262 : 8,641.20 = 3,429.37 : x
  2. Step 2: Convert to fraction form
    6,262/8,641.20 = 3,429.37/x
  3. Step 3: Cross multiply
    6,262x = 8,641.20 × 3,429.37
  4. Step 4: Simplify right side
    6,262x = 29,633,872.04
  5. Step 5: Solve for x
    x = 29,633,872.04/6,262
  6. Step 6: Final answer
    x = 4,732.33

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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.