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Finding the Fourth Proportional to 8,624.94, 12,917.97 and 6,039.42

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Solution

The fourth proportional to 8,624.94, 12,917.97 and 6,039.42 is: 9,045.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.94 : 12,917.97 = 6,039.42 : x
  2. Step 2: Convert to fraction form
    8,624.94/12,917.97 = 6,039.42/x
  3. Step 3: Cross multiply
    8,624.94x = 12,917.97 × 6,039.42
  4. Step 4: Simplify right side
    8,624.94x = 78,017,046.38
  5. Step 5: Solve for x
    x = 78,017,046.38/8,624.94
  6. Step 6: Final answer
    x = 9,045.52

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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.