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Finding the Fourth Proportional to 8,479.50, 11,701.83 and 4,753.50

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Solution

The fourth proportional to 8,479.50, 11,701.83 and 4,753.50 is: 6,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479.50 : 11,701.83 = 4,753.50 : x
  2. Step 2: Convert to fraction form
    8,479.50/11,701.83 = 4,753.50/x
  3. Step 3: Cross multiply
    8,479.50x = 11,701.83 × 4,753.50
  4. Step 4: Simplify right side
    8,479.50x = 55,624,648.91
  5. Step 5: Solve for x
    x = 55,624,648.91/8,479.50
  6. Step 6: Final answer
    x = 6,559.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.