Home / 5,268.28-7,899.43-1,756.41

Finding the Fourth Proportional to 5,268.28, 7,899.43 and 1,756.41

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Solution

The fourth proportional to 5,268.28, 7,899.43 and 1,756.41 is: 2,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.28 : 7,899.43 = 1,756.41 : x
  2. Step 2: Convert to fraction form
    5,268.28/7,899.43 = 1,756.41/x
  3. Step 3: Cross multiply
    5,268.28x = 7,899.43 × 1,756.41
  4. Step 4: Simplify right side
    5,268.28x = 13,874,637.85
  5. Step 5: Solve for x
    x = 13,874,637.85/5,268.28
  6. Step 6: Final answer
    x = 2,633.62

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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.