Home / 4,199.36-6,299.72-1,425.74

Finding the Fourth Proportional to 4,199.36, 6,299.72 and 1,425.74

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Solution

The fourth proportional to 4,199.36, 6,299.72 and 1,425.74 is: 2,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.36 : 6,299.72 = 1,425.74 : x
  2. Step 2: Convert to fraction form
    4,199.36/6,299.72 = 1,425.74/x
  3. Step 3: Cross multiply
    4,199.36x = 6,299.72 × 1,425.74
  4. Step 4: Simplify right side
    4,199.36x = 8,981,762.79
  5. Step 5: Solve for x
    x = 8,981,762.79/4,199.36
  6. Step 6: Final answer
    x = 2,138.84

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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.