Home / 8,140.93-12,211.42-2,297.54

Finding the Fourth Proportional to 8,140.93, 12,211.42 and 2,297.54

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Solution

The fourth proportional to 8,140.93, 12,211.42 and 2,297.54 is: 3,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.93 : 12,211.42 = 2,297.54 : x
  2. Step 2: Convert to fraction form
    8,140.93/12,211.42 = 2,297.54/x
  3. Step 3: Cross multiply
    8,140.93x = 12,211.42 × 2,297.54
  4. Step 4: Simplify right side
    8,140.93x = 28,056,225.91
  5. Step 5: Solve for x
    x = 28,056,225.91/8,140.93
  6. Step 6: Final answer
    x = 3,446.32

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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.