Home / 4,276.38-6,415.23-1,355.36

Finding the Fourth Proportional to 4,276.38, 6,415.23 and 1,355.36

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Solution

The fourth proportional to 4,276.38, 6,415.23 and 1,355.36 is: 2,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.38 : 6,415.23 = 1,355.36 : x
  2. Step 2: Convert to fraction form
    4,276.38/6,415.23 = 1,355.36/x
  3. Step 3: Cross multiply
    4,276.38x = 6,415.23 × 1,355.36
  4. Step 4: Simplify right side
    4,276.38x = 8,694,914.06
  5. Step 5: Solve for x
    x = 8,694,914.06/4,276.38
  6. Step 6: Final answer
    x = 2,033.24

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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.