Home / 5,424.26-8,135.46-1,527.75

Finding the Fourth Proportional to 5,424.26, 8,135.46 and 1,527.75

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Solution

The fourth proportional to 5,424.26, 8,135.46 and 1,527.75 is: 2,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.26 : 8,135.46 = 1,527.75 : x
  2. Step 2: Convert to fraction form
    5,424.26/8,135.46 = 1,527.75/x
  3. Step 3: Cross multiply
    5,424.26x = 8,135.46 × 1,527.75
  4. Step 4: Simplify right side
    5,424.26x = 12,428,949.02
  5. Step 5: Solve for x
    x = 12,428,949.02/5,424.26
  6. Step 6: Final answer
    x = 2,291.37

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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.