Home / 6,739.88-10,111.80-3,455.28

Finding the Fourth Proportional to 6,739.88, 10,111.80 and 3,455.28

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Solution

The fourth proportional to 6,739.88, 10,111.80 and 3,455.28 is: 5,183.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.88 : 10,111.80 = 3,455.28 : x
  2. Step 2: Convert to fraction form
    6,739.88/10,111.80 = 3,455.28/x
  3. Step 3: Cross multiply
    6,739.88x = 10,111.80 × 3,455.28
  4. Step 4: Simplify right side
    6,739.88x = 34,939,113.26
  5. Step 5: Solve for x
    x = 34,939,113.26/6,739.88
  6. Step 6: Final answer
    x = 5,183.94

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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.