Home / 5,942.40-8,199.92-3,814.16

Finding the Fourth Proportional to 5,942.40, 8,199.92 and 3,814.16

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Solution

The fourth proportional to 5,942.40, 8,199.92 and 3,814.16 is: 5,263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,942.40 : 8,199.92 = 3,814.16 : x
  2. Step 2: Convert to fraction form
    5,942.40/8,199.92 = 3,814.16/x
  3. Step 3: Cross multiply
    5,942.40x = 8,199.92 × 3,814.16
  4. Step 4: Simplify right side
    5,942.40x = 31,275,806.87
  5. Step 5: Solve for x
    x = 31,275,806.87/5,942.40
  6. Step 6: Final answer
    x = 5,263.16

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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.