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Finding the Fourth Proportional to 8,022.87, 12,009.10 and 5,509.34

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Solution

The fourth proportional to 8,022.87, 12,009.10 and 5,509.34 is: 8,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.87 : 12,009.10 = 5,509.34 : x
  2. Step 2: Convert to fraction form
    8,022.87/12,009.10 = 5,509.34/x
  3. Step 3: Cross multiply
    8,022.87x = 12,009.10 × 5,509.34
  4. Step 4: Simplify right side
    8,022.87x = 66,162,222.57
  5. Step 5: Solve for x
    x = 66,162,222.57/8,022.87
  6. Step 6: Final answer
    x = 8,246.70

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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.