Home / 8,137.10-12,199.50-4,442.48

Finding the Fourth Proportional to 8,137.10, 12,199.50 and 4,442.48

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Solution

The fourth proportional to 8,137.10, 12,199.50 and 4,442.48 is: 6,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.10 : 12,199.50 = 4,442.48 : x
  2. Step 2: Convert to fraction form
    8,137.10/12,199.50 = 4,442.48/x
  3. Step 3: Cross multiply
    8,137.10x = 12,199.50 × 4,442.48
  4. Step 4: Simplify right side
    8,137.10x = 54,196,034.76
  5. Step 5: Solve for x
    x = 54,196,034.76/8,137.10
  6. Step 6: Final answer
    x = 6,660.36

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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.