Home / 4,199.50-6,300.19-1,278.03

Finding the Fourth Proportional to 4,199.50, 6,300.19 and 1,278.03

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Solution

The fourth proportional to 4,199.50, 6,300.19 and 1,278.03 is: 1,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.50 : 6,300.19 = 1,278.03 : x
  2. Step 2: Convert to fraction form
    4,199.50/6,300.19 = 1,278.03/x
  3. Step 3: Cross multiply
    4,199.50x = 6,300.19 × 1,278.03
  4. Step 4: Simplify right side
    4,199.50x = 8,051,857.05
  5. Step 5: Solve for x
    x = 8,051,857.05/4,199.50
  6. Step 6: Final answer
    x = 1,917.34

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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.