Home / 5,114.36-7,057.08-2,876.15

Finding the Fourth Proportional to 5,114.36, 7,057.08 and 2,876.15

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Solution

The fourth proportional to 5,114.36, 7,057.08 and 2,876.15 is: 3,968.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.36 : 7,057.08 = 2,876.15 : x
  2. Step 2: Convert to fraction form
    5,114.36/7,057.08 = 2,876.15/x
  3. Step 3: Cross multiply
    5,114.36x = 7,057.08 × 2,876.15
  4. Step 4: Simplify right side
    5,114.36x = 20,297,185.36
  5. Step 5: Solve for x
    x = 20,297,185.36/5,114.36
  6. Step 6: Final answer
    x = 3,968.67

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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.