Home / 4,108.28-6,161.52-1,185.95

Finding the Fourth Proportional to 4,108.28, 6,161.52 and 1,185.95

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Solution

The fourth proportional to 4,108.28, 6,161.52 and 1,185.95 is: 1,778.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.28 : 6,161.52 = 1,185.95 : x
  2. Step 2: Convert to fraction form
    4,108.28/6,161.52 = 1,185.95/x
  3. Step 3: Cross multiply
    4,108.28x = 6,161.52 × 1,185.95
  4. Step 4: Simplify right side
    4,108.28x = 7,307,254.64
  5. Step 5: Solve for x
    x = 7,307,254.64/4,108.28
  6. Step 6: Final answer
    x = 1,778.67

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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.