Home / 8,187.72-12,281.55-2,344.34

Finding the Fourth Proportional to 8,187.72, 12,281.55 and 2,344.34

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Solution

The fourth proportional to 8,187.72, 12,281.55 and 2,344.34 is: 3,516.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.72 : 12,281.55 = 2,344.34 : x
  2. Step 2: Convert to fraction form
    8,187.72/12,281.55 = 2,344.34/x
  3. Step 3: Cross multiply
    8,187.72x = 12,281.55 × 2,344.34
  4. Step 4: Simplify right side
    8,187.72x = 28,792,067.52
  5. Step 5: Solve for x
    x = 28,792,067.52/8,187.72
  6. Step 6: Final answer
    x = 3,516.49

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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.