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Finding the Fourth Proportional to 8,003.91, 12,000.35 and 4,302.42

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Solution

The fourth proportional to 8,003.91, 12,000.35 and 4,302.42 is: 6,450.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.91 : 12,000.35 = 4,302.42 : x
  2. Step 2: Convert to fraction form
    8,003.91/12,000.35 = 4,302.42/x
  3. Step 3: Cross multiply
    8,003.91x = 12,000.35 × 4,302.42
  4. Step 4: Simplify right side
    8,003.91x = 51,630,511.60
  5. Step 5: Solve for x
    x = 51,630,511.60/8,003.91
  6. Step 6: Final answer
    x = 6,450.66

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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.