Home / 8,380.56-12,568.14-2,535.60

Finding the Fourth Proportional to 8,380.56, 12,568.14 and 2,535.60

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Solution

The fourth proportional to 8,380.56, 12,568.14 and 2,535.60 is: 3,802.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.56 : 12,568.14 = 2,535.60 : x
  2. Step 2: Convert to fraction form
    8,380.56/12,568.14 = 2,535.60/x
  3. Step 3: Cross multiply
    8,380.56x = 12,568.14 × 2,535.60
  4. Step 4: Simplify right side
    8,380.56x = 31,867,775.78
  5. Step 5: Solve for x
    x = 31,867,775.78/8,380.56
  6. Step 6: Final answer
    x = 3,802.58

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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.