Home / 6,739.69-10,113.64-3,784.51

Finding the Fourth Proportional to 6,739.69, 10,113.64 and 3,784.51

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Solution

The fourth proportional to 6,739.69, 10,113.64 and 3,784.51 is: 5,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.69 : 10,113.64 = 3,784.51 : x
  2. Step 2: Convert to fraction form
    6,739.69/10,113.64 = 3,784.51/x
  3. Step 3: Cross multiply
    6,739.69x = 10,113.64 × 3,784.51
  4. Step 4: Simplify right side
    6,739.69x = 38,275,171.72
  5. Step 5: Solve for x
    x = 38,275,171.72/6,739.69
  6. Step 6: Final answer
    x = 5,679.07

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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.