Home / 9,078.78-13,609.97-4,682.91

Finding the Fourth Proportional to 9,078.78, 13,609.97 and 4,682.91

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Solution

The fourth proportional to 9,078.78, 13,609.97 and 4,682.91 is: 7,020.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.78 : 13,609.97 = 4,682.91 : x
  2. Step 2: Convert to fraction form
    9,078.78/13,609.97 = 4,682.91/x
  3. Step 3: Cross multiply
    9,078.78x = 13,609.97 × 4,682.91
  4. Step 4: Simplify right side
    9,078.78x = 63,734,336.14
  5. Step 5: Solve for x
    x = 63,734,336.14/9,078.78
  6. Step 6: Final answer
    x = 7,020.14

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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.