Home / 5,171.36-7,755.60-3,706.16

Finding the Fourth Proportional to 5,171.36, 7,755.60 and 3,706.16

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Solution

The fourth proportional to 5,171.36, 7,755.60 and 3,706.16 is: 5,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.36 : 7,755.60 = 3,706.16 : x
  2. Step 2: Convert to fraction form
    5,171.36/7,755.60 = 3,706.16/x
  3. Step 3: Cross multiply
    5,171.36x = 7,755.60 × 3,706.16
  4. Step 4: Simplify right side
    5,171.36x = 28,743,494.50
  5. Step 5: Solve for x
    x = 28,743,494.50/5,171.36
  6. Step 6: Final answer
    x = 5,558.21

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1.5x scale

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.