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Finding the Fourth Proportional to 8,429.58, 12,648.94 and 3,502.62

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Solution

The fourth proportional to 8,429.58, 12,648.94 and 3,502.62 is: 5,255.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.58 : 12,648.94 = 3,502.62 : x
  2. Step 2: Convert to fraction form
    8,429.58/12,648.94 = 3,502.62/x
  3. Step 3: Cross multiply
    8,429.58x = 12,648.94 × 3,502.62
  4. Step 4: Simplify right side
    8,429.58x = 44,304,430.22
  5. Step 5: Solve for x
    x = 44,304,430.22/8,429.58
  6. Step 6: Final answer
    x = 5,255.83

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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.