Home / 4,194.12-6,288.78-1,381.62

Finding the Fourth Proportional to 4,194.12, 6,288.78 and 1,381.62

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Solution

The fourth proportional to 4,194.12, 6,288.78 and 1,381.62 is: 2,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,194.12 : 6,288.78 = 1,381.62 : x
  2. Step 2: Convert to fraction form
    4,194.12/6,288.78 = 1,381.62/x
  3. Step 3: Cross multiply
    4,194.12x = 6,288.78 × 1,381.62
  4. Step 4: Simplify right side
    4,194.12x = 8,688,704.22
  5. Step 5: Solve for x
    x = 8,688,704.22/4,194.12
  6. Step 6: Final answer
    x = 2,071.64

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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.