Home / 8,900.53-13,350.70-2,660.60

Finding the Fourth Proportional to 8,900.53, 13,350.70 and 2,660.60

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Solution

The fourth proportional to 8,900.53, 13,350.70 and 2,660.60 is: 3,990.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.53 : 13,350.70 = 2,660.60 : x
  2. Step 2: Convert to fraction form
    8,900.53/13,350.70 = 2,660.60/x
  3. Step 3: Cross multiply
    8,900.53x = 13,350.70 × 2,660.60
  4. Step 4: Simplify right side
    8,900.53x = 35,520,826.54
  5. Step 5: Solve for x
    x = 35,520,826.54/8,900.53
  6. Step 6: Final answer
    x = 3,990.87

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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.