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Finding the Fourth Proportional to 8,404.70, 12,596.61 and 4,016.30

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Solution

The fourth proportional to 8,404.70, 12,596.61 and 4,016.30 is: 6,019.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.70 : 12,596.61 = 4,016.30 : x
  2. Step 2: Convert to fraction form
    8,404.70/12,596.61 = 4,016.30/x
  3. Step 3: Cross multiply
    8,404.70x = 12,596.61 × 4,016.30
  4. Step 4: Simplify right side
    8,404.70x = 50,591,764.74
  5. Step 5: Solve for x
    x = 50,591,764.74/8,404.70
  6. Step 6: Final answer
    x = 6,019.46

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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.