Home / 8,790.45-13,173.15-6,806.82

Finding the Fourth Proportional to 8,790.45, 13,173.15 and 6,806.82

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Solution

The fourth proportional to 8,790.45, 13,173.15 and 6,806.82 is: 10,200.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.45 : 13,173.15 = 6,806.82 : x
  2. Step 2: Convert to fraction form
    8,790.45/13,173.15 = 6,806.82/x
  3. Step 3: Cross multiply
    8,790.45x = 13,173.15 × 6,806.82
  4. Step 4: Simplify right side
    8,790.45x = 89,667,260.88
  5. Step 5: Solve for x
    x = 89,667,260.88/8,790.45
  6. Step 6: Final answer
    x = 10,200.53

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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.