Home / 6,845.46-9,446.87-3,860.70

Finding the Fourth Proportional to 6,845.46, 9,446.87 and 3,860.70

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Solution

The fourth proportional to 6,845.46, 9,446.87 and 3,860.70 is: 5,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.46 : 9,446.87 = 3,860.70 : x
  2. Step 2: Convert to fraction form
    6,845.46/9,446.87 = 3,860.70/x
  3. Step 3: Cross multiply
    6,845.46x = 9,446.87 × 3,860.70
  4. Step 4: Simplify right side
    6,845.46x = 36,471,511.71
  5. Step 5: Solve for x
    x = 36,471,511.71/6,845.46
  6. Step 6: Final answer
    x = 5,327.84

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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.