Home / 5,276.26-7,914.39-1,813.51

Finding the Fourth Proportional to 5,276.26, 7,914.39 and 1,813.51

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Solution

The fourth proportional to 5,276.26, 7,914.39 and 1,813.51 is: 2,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.26 : 7,914.39 = 1,813.51 : x
  2. Step 2: Convert to fraction form
    5,276.26/7,914.39 = 1,813.51/x
  3. Step 3: Cross multiply
    5,276.26x = 7,914.39 × 1,813.51
  4. Step 4: Simplify right side
    5,276.26x = 14,352,825.41
  5. Step 5: Solve for x
    x = 14,352,825.41/5,276.26
  6. Step 6: Final answer
    x = 2,720.27

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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.