Home / 8,537.22-12,800.76-3,339.42

Finding the Fourth Proportional to 8,537.22, 12,800.76 and 3,339.42

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Solution

The fourth proportional to 8,537.22, 12,800.76 and 3,339.42 is: 5,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.22 : 12,800.76 = 3,339.42 : x
  2. Step 2: Convert to fraction form
    8,537.22/12,800.76 = 3,339.42/x
  3. Step 3: Cross multiply
    8,537.22x = 12,800.76 × 3,339.42
  4. Step 4: Simplify right side
    8,537.22x = 42,747,113.96
  5. Step 5: Solve for x
    x = 42,747,113.96/8,537.22
  6. Step 6: Final answer
    x = 5,007.15

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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.