Home / 5,403.72-8,097.48-4,169.28

Finding the Fourth Proportional to 5,403.72, 8,097.48 and 4,169.28

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Solution

The fourth proportional to 5,403.72, 8,097.48 and 4,169.28 is: 6,247.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.72 : 8,097.48 = 4,169.28 : x
  2. Step 2: Convert to fraction form
    5,403.72/8,097.48 = 4,169.28/x
  3. Step 3: Cross multiply
    5,403.72x = 8,097.48 × 4,169.28
  4. Step 4: Simplify right side
    5,403.72x = 33,760,661.41
  5. Step 5: Solve for x
    x = 33,760,661.41/5,403.72
  6. Step 6: Final answer
    x = 6,247.67

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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.