Home / 4,199.19-6,299.69-1,425.34

Finding the Fourth Proportional to 4,199.19, 6,299.69 and 1,425.34

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Solution

The fourth proportional to 4,199.19, 6,299.69 and 1,425.34 is: 2,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.19 : 6,299.69 = 1,425.34 : x
  2. Step 2: Convert to fraction form
    4,199.19/6,299.69 = 1,425.34/x
  3. Step 3: Cross multiply
    4,199.19x = 6,299.69 × 1,425.34
  4. Step 4: Simplify right side
    4,199.19x = 8,979,200.14
  5. Step 5: Solve for x
    x = 8,979,200.14/4,199.19
  6. Step 6: Final answer
    x = 2,138.32

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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.