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Finding the Fourth Proportional to 5,811.36, 8,020.36 and 3,453.50

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Solution

The fourth proportional to 5,811.36, 8,020.36 and 3,453.50 is: 4,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.36 : 8,020.36 = 3,453.50 : x
  2. Step 2: Convert to fraction form
    5,811.36/8,020.36 = 3,453.50/x
  3. Step 3: Cross multiply
    5,811.36x = 8,020.36 × 3,453.50
  4. Step 4: Simplify right side
    5,811.36x = 27,698,313.26
  5. Step 5: Solve for x
    x = 27,698,313.26/5,811.36
  6. Step 6: Final answer
    x = 4,766.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.