Home / 6,078.11-9,119.99-3,154.82

Finding the Fourth Proportional to 6,078.11, 9,119.99 and 3,154.82

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Solution

The fourth proportional to 6,078.11, 9,119.99 and 3,154.82 is: 4,733.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.11 : 9,119.99 = 3,154.82 : x
  2. Step 2: Convert to fraction form
    6,078.11/9,119.99 = 3,154.82/x
  3. Step 3: Cross multiply
    6,078.11x = 9,119.99 × 3,154.82
  4. Step 4: Simplify right side
    6,078.11x = 28,771,889.14
  5. Step 5: Solve for x
    x = 28,771,889.14/6,078.11
  6. Step 6: Final answer
    x = 4,733.69

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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.