Home / 9,179.36-13,772.16-3,336.44

Finding the Fourth Proportional to 9,179.36, 13,772.16 and 3,336.44

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Solution

The fourth proportional to 9,179.36, 13,772.16 and 3,336.44 is: 5,005.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.36 : 13,772.16 = 3,336.44 : x
  2. Step 2: Convert to fraction form
    9,179.36/13,772.16 = 3,336.44/x
  3. Step 3: Cross multiply
    9,179.36x = 13,772.16 × 3,336.44
  4. Step 4: Simplify right side
    9,179.36x = 45,949,985.51
  5. Step 5: Solve for x
    x = 45,949,985.51/9,179.36
  6. Step 6: Final answer
    x = 5,005.79

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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.