Home / 4,199.52-6,300.21-1,278.05

Finding the Fourth Proportional to 4,199.52, 6,300.21 and 1,278.05

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Solution

The fourth proportional to 4,199.52, 6,300.21 and 1,278.05 is: 1,917.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.52 : 6,300.21 = 1,278.05 : x
  2. Step 2: Convert to fraction form
    4,199.52/6,300.21 = 1,278.05/x
  3. Step 3: Cross multiply
    4,199.52x = 6,300.21 × 1,278.05
  4. Step 4: Simplify right side
    4,199.52x = 8,051,983.39
  5. Step 5: Solve for x
    x = 8,051,983.39/4,199.52
  6. Step 6: Final answer
    x = 1,917.36

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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.