Home / 5,131.11-7,697.97-1,433.34

Finding the Fourth Proportional to 5,131.11, 7,697.97 and 1,433.34

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Solution

The fourth proportional to 5,131.11, 7,697.97 and 1,433.34 is: 2,150.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.11 : 7,697.97 = 1,433.34 : x
  2. Step 2: Convert to fraction form
    5,131.11/7,697.97 = 1,433.34/x
  3. Step 3: Cross multiply
    5,131.11x = 7,697.97 × 1,433.34
  4. Step 4: Simplify right side
    5,131.11x = 11,033,808.32
  5. Step 5: Solve for x
    x = 11,033,808.32/5,131.11
  6. Step 6: Final answer
    x = 2,150.37

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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.