Home / 4,200.58-6,297.78-1,426.51

Finding the Fourth Proportional to 4,200.58, 6,297.78 and 1,426.51

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Solution

The fourth proportional to 4,200.58, 6,297.78 and 1,426.51 is: 2,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.58 : 6,297.78 = 1,426.51 : x
  2. Step 2: Convert to fraction form
    4,200.58/6,297.78 = 1,426.51/x
  3. Step 3: Cross multiply
    4,200.58x = 6,297.78 × 1,426.51
  4. Step 4: Simplify right side
    4,200.58x = 8,983,830.40
  5. Step 5: Solve for x
    x = 8,983,830.40/4,200.58
  6. Step 6: Final answer
    x = 2,138.71

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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.