Home / 5,268-7,899.39-1,756.80

Finding the Fourth Proportional to 5,268, 7,899.39 and 1,756.80

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Solution

The fourth proportional to 5,268, 7,899.39 and 1,756.80 is: 2,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268 : 7,899.39 = 1,756.80 : x
  2. Step 2: Convert to fraction form
    5,268/7,899.39 = 1,756.80/x
  3. Step 3: Cross multiply
    5,268x = 7,899.39 × 1,756.80
  4. Step 4: Simplify right side
    5,268x = 13,877,648.35
  5. Step 5: Solve for x
    x = 13,877,648.35/5,268
  6. Step 6: Final answer
    x = 2,634.33

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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.