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Finding the Fourth Proportional to 8,004.39, 12,011.19 and 4,306.74

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Solution

The fourth proportional to 8,004.39, 12,011.19 and 4,306.74 is: 6,462.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,004.39 : 12,011.19 = 4,306.74 : x
  2. Step 2: Convert to fraction form
    8,004.39/12,011.19 = 4,306.74/x
  3. Step 3: Cross multiply
    8,004.39x = 12,011.19 × 4,306.74
  4. Step 4: Simplify right side
    8,004.39x = 51,729,072.42
  5. Step 5: Solve for x
    x = 51,729,072.42/8,004.39
  6. Step 6: Final answer
    x = 6,462.59

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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.