Home / 8,560.74-12,845.10-3,631.56

Finding the Fourth Proportional to 8,560.74, 12,845.10 and 3,631.56

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Solution

The fourth proportional to 8,560.74, 12,845.10 and 3,631.56 is: 5,449.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.74 : 12,845.10 = 3,631.56 : x
  2. Step 2: Convert to fraction form
    8,560.74/12,845.10 = 3,631.56/x
  3. Step 3: Cross multiply
    8,560.74x = 12,845.10 × 3,631.56
  4. Step 4: Simplify right side
    8,560.74x = 46,647,751.36
  5. Step 5: Solve for x
    x = 46,647,751.36/8,560.74
  6. Step 6: Final answer
    x = 5,449.03

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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.