Home / 4,112.64-6,169.68-1,515.60

Finding the Fourth Proportional to 4,112.64, 6,169.68 and 1,515.60

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Solution

The fourth proportional to 4,112.64, 6,169.68 and 1,515.60 is: 2,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.64 : 6,169.68 = 1,515.60 : x
  2. Step 2: Convert to fraction form
    4,112.64/6,169.68 = 1,515.60/x
  3. Step 3: Cross multiply
    4,112.64x = 6,169.68 × 1,515.60
  4. Step 4: Simplify right side
    4,112.64x = 9,350,767.01
  5. Step 5: Solve for x
    x = 9,350,767.01/4,112.64
  6. Step 6: Final answer
    x = 2,273.67

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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.