Home / 6,739.24-10,102.38-2,119

Finding the Fourth Proportional to 6,739.24, 10,102.38 and 2,119

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Solution

The fourth proportional to 6,739.24, 10,102.38 and 2,119 is: 3,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.24 : 10,102.38 = 2,119 : x
  2. Step 2: Convert to fraction form
    6,739.24/10,102.38 = 2,119/x
  3. Step 3: Cross multiply
    6,739.24x = 10,102.38 × 2,119
  4. Step 4: Simplify right side
    6,739.24x = 21,406,943.22
  5. Step 5: Solve for x
    x = 21,406,943.22/6,739.24
  6. Step 6: Final answer
    x = 3,176.46

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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.