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Finding the Fourth Proportional to 8,063.50, 11,127.63 and 4,526.71

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Solution

The fourth proportional to 8,063.50, 11,127.63 and 4,526.71 is: 6,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,063.50 : 11,127.63 = 4,526.71 : x
  2. Step 2: Convert to fraction form
    8,063.50/11,127.63 = 4,526.71/x
  3. Step 3: Cross multiply
    8,063.50x = 11,127.63 × 4,526.71
  4. Step 4: Simplify right side
    8,063.50x = 50,371,584.88
  5. Step 5: Solve for x
    x = 50,371,584.88/8,063.50
  6. Step 6: Final answer
    x = 6,246.86

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1.5x scale

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.