Home / 8,528.22-12,806.70-5,571.72

Finding the Fourth Proportional to 8,528.22, 12,806.70 and 5,571.72

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Solution

The fourth proportional to 8,528.22, 12,806.70 and 5,571.72 is: 8,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.22 : 12,806.70 = 5,571.72 : x
  2. Step 2: Convert to fraction form
    8,528.22/12,806.70 = 5,571.72/x
  3. Step 3: Cross multiply
    8,528.22x = 12,806.70 × 5,571.72
  4. Step 4: Simplify right side
    8,528.22x = 71,355,325.63
  5. Step 5: Solve for x
    x = 71,355,325.63/8,528.22
  6. Step 6: Final answer
    x = 8,366.97

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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.