Home / 5,150.36-7,099.62-3,157.22

Finding the Fourth Proportional to 5,150.36, 7,099.62 and 3,157.22

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Solution

The fourth proportional to 5,150.36, 7,099.62 and 3,157.22 is: 4,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.36 : 7,099.62 = 3,157.22 : x
  2. Step 2: Convert to fraction form
    5,150.36/7,099.62 = 3,157.22/x
  3. Step 3: Cross multiply
    5,150.36x = 7,099.62 × 3,157.22
  4. Step 4: Simplify right side
    5,150.36x = 22,415,062.26
  5. Step 5: Solve for x
    x = 22,415,062.26/5,150.36
  6. Step 6: Final answer
    x = 4,352.14

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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.