Home / 7,579.46-11,370.60-3,419.37

Finding the Fourth Proportional to 7,579.46, 11,370.60 and 3,419.37

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Solution

The fourth proportional to 7,579.46, 11,370.60 and 3,419.37 is: 5,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.46 : 11,370.60 = 3,419.37 : x
  2. Step 2: Convert to fraction form
    7,579.46/11,370.60 = 3,419.37/x
  3. Step 3: Cross multiply
    7,579.46x = 11,370.60 × 3,419.37
  4. Step 4: Simplify right side
    7,579.46x = 38,880,288.52
  5. Step 5: Solve for x
    x = 38,880,288.52/7,579.46
  6. Step 6: Final answer
    x = 5,129.69

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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.