Home / 4,580.37-6,865.92-1,809

Finding the Fourth Proportional to 4,580.37, 6,865.92 and 1,809

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Solution

The fourth proportional to 4,580.37, 6,865.92 and 1,809 is: 2,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.37 : 6,865.92 = 1,809 : x
  2. Step 2: Convert to fraction form
    4,580.37/6,865.92 = 1,809/x
  3. Step 3: Cross multiply
    4,580.37x = 6,865.92 × 1,809
  4. Step 4: Simplify right side
    4,580.37x = 12,420,449.28
  5. Step 5: Solve for x
    x = 12,420,449.28/4,580.37
  6. Step 6: Final answer
    x = 2,711.67

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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.