Home / 6,860.80-9,467.34-4,028.56

Finding the Fourth Proportional to 6,860.80, 9,467.34 and 4,028.56

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Solution

The fourth proportional to 6,860.80, 9,467.34 and 4,028.56 is: 5,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.80 : 9,467.34 = 4,028.56 : x
  2. Step 2: Convert to fraction form
    6,860.80/9,467.34 = 4,028.56/x
  3. Step 3: Cross multiply
    6,860.80x = 9,467.34 × 4,028.56
  4. Step 4: Simplify right side
    6,860.80x = 38,139,747.23
  5. Step 5: Solve for x
    x = 38,139,747.23/6,860.80
  6. Step 6: Final answer
    x = 5,559.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.