Home / 5,114.36-7,670.39-1,993.29

Finding the Fourth Proportional to 5,114.36, 7,670.39 and 1,993.29

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Solution

The fourth proportional to 5,114.36, 7,670.39 and 1,993.29 is: 2,989.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.36 : 7,670.39 = 1,993.29 : x
  2. Step 2: Convert to fraction form
    5,114.36/7,670.39 = 1,993.29/x
  3. Step 3: Cross multiply
    5,114.36x = 7,670.39 × 1,993.29
  4. Step 4: Simplify right side
    5,114.36x = 15,289,301.72
  5. Step 5: Solve for x
    x = 15,289,301.72/5,114.36
  6. Step 6: Final answer
    x = 2,989.49

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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.