Home / 4,128.71-6,194.02-1,355.37

Finding the Fourth Proportional to 4,128.71, 6,194.02 and 1,355.37

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Solution

The fourth proportional to 4,128.71, 6,194.02 and 1,355.37 is: 2,033.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.71 : 6,194.02 = 1,355.37 : x
  2. Step 2: Convert to fraction form
    4,128.71/6,194.02 = 1,355.37/x
  3. Step 3: Cross multiply
    4,128.71x = 6,194.02 × 1,355.37
  4. Step 4: Simplify right side
    4,128.71x = 8,395,164.81
  5. Step 5: Solve for x
    x = 8,395,164.81/4,128.71
  6. Step 6: Final answer
    x = 2,033.37

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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.