Home / 6,131.39-9,189.85-2,620.37

Finding the Fourth Proportional to 6,131.39, 9,189.85 and 2,620.37

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Solution

The fourth proportional to 6,131.39, 9,189.85 and 2,620.37 is: 3,927.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.39 : 9,189.85 = 2,620.37 : x
  2. Step 2: Convert to fraction form
    6,131.39/9,189.85 = 2,620.37/x
  3. Step 3: Cross multiply
    6,131.39x = 9,189.85 × 2,620.37
  4. Step 4: Simplify right side
    6,131.39x = 24,080,807.24
  5. Step 5: Solve for x
    x = 24,080,807.24/6,131.39
  6. Step 6: Final answer
    x = 3,927.46

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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.