Home / 8,138.02-12,193.10-4,442.85

Finding the Fourth Proportional to 8,138.02, 12,193.10 and 4,442.85

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Solution

The fourth proportional to 8,138.02, 12,193.10 and 4,442.85 is: 6,656.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138.02 : 12,193.10 = 4,442.85 : x
  2. Step 2: Convert to fraction form
    8,138.02/12,193.10 = 4,442.85/x
  3. Step 3: Cross multiply
    8,138.02x = 12,193.10 × 4,442.85
  4. Step 4: Simplify right side
    8,138.02x = 54,172,114.34
  5. Step 5: Solve for x
    x = 54,172,114.34/8,138.02
  6. Step 6: Final answer
    x = 6,656.67

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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.