Home / 6,121.23-9,169.08-5,078.76

Finding the Fourth Proportional to 6,121.23, 9,169.08 and 5,078.76

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Solution

The fourth proportional to 6,121.23, 9,169.08 and 5,078.76 is: 7,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.23 : 9,169.08 = 5,078.76 : x
  2. Step 2: Convert to fraction form
    6,121.23/9,169.08 = 5,078.76/x
  3. Step 3: Cross multiply
    6,121.23x = 9,169.08 × 5,078.76
  4. Step 4: Simplify right side
    6,121.23x = 46,567,556.74
  5. Step 5: Solve for x
    x = 46,567,556.74/6,121.23
  6. Step 6: Final answer
    x = 7,607.55

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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.