Home / 6,138.12-9,211.84-4,498.94

Finding the Fourth Proportional to 6,138.12, 9,211.84 and 4,498.94

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Solution

The fourth proportional to 6,138.12, 9,211.84 and 4,498.94 is: 6,751.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.12 : 9,211.84 = 4,498.94 : x
  2. Step 2: Convert to fraction form
    6,138.12/9,211.84 = 4,498.94/x
  3. Step 3: Cross multiply
    6,138.12x = 9,211.84 × 4,498.94
  4. Step 4: Simplify right side
    6,138.12x = 41,443,515.45
  5. Step 5: Solve for x
    x = 41,443,515.45/6,138.12
  6. Step 6: Final answer
    x = 6,751.83

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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.