Home / 4,261.87-6,393.62-1,339.39

Finding the Fourth Proportional to 4,261.87, 6,393.62 and 1,339.39

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Solution

The fourth proportional to 4,261.87, 6,393.62 and 1,339.39 is: 2,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.87 : 6,393.62 = 1,339.39 : x
  2. Step 2: Convert to fraction form
    4,261.87/6,393.62 = 1,339.39/x
  3. Step 3: Cross multiply
    4,261.87x = 6,393.62 × 1,339.39
  4. Step 4: Simplify right side
    4,261.87x = 8,563,550.69
  5. Step 5: Solve for x
    x = 8,563,550.69/4,261.87
  6. Step 6: Final answer
    x = 2,009.34

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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.