Home / 6,841.40-9,441.20-3,856.98

Finding the Fourth Proportional to 6,841.40, 9,441.20 and 3,856.98

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Solution

The fourth proportional to 6,841.40, 9,441.20 and 3,856.98 is: 5,322.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,841.40 : 9,441.20 = 3,856.98 : x
  2. Step 2: Convert to fraction form
    6,841.40/9,441.20 = 3,856.98/x
  3. Step 3: Cross multiply
    6,841.40x = 9,441.20 × 3,856.98
  4. Step 4: Simplify right side
    6,841.40x = 36,414,519.58
  5. Step 5: Solve for x
    x = 36,414,519.58/6,841.40
  6. Step 6: Final answer
    x = 5,322.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.