Home / 9,106.35-13,656.21-3,181.58

Finding the Fourth Proportional to 9,106.35, 13,656.21 and 3,181.58

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Solution

The fourth proportional to 9,106.35, 13,656.21 and 3,181.58 is: 4,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.35 : 13,656.21 = 3,181.58 : x
  2. Step 2: Convert to fraction form
    9,106.35/13,656.21 = 3,181.58/x
  3. Step 3: Cross multiply
    9,106.35x = 13,656.21 × 3,181.58
  4. Step 4: Simplify right side
    9,106.35x = 43,448,256.33
  5. Step 5: Solve for x
    x = 43,448,256.33/9,106.35
  6. Step 6: Final answer
    x = 4,771.20

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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.