Home / 4,251.56-6,376.70-1,131.75

Finding the Fourth Proportional to 4,251.56, 6,376.70 and 1,131.75

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Solution

The fourth proportional to 4,251.56, 6,376.70 and 1,131.75 is: 1,697.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.56 : 6,376.70 = 1,131.75 : x
  2. Step 2: Convert to fraction form
    4,251.56/6,376.70 = 1,131.75/x
  3. Step 3: Cross multiply
    4,251.56x = 6,376.70 × 1,131.75
  4. Step 4: Simplify right side
    4,251.56x = 7,216,824.57
  5. Step 5: Solve for x
    x = 7,216,824.57/4,251.56
  6. Step 6: Final answer
    x = 1,697.46

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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.