Home / 6,919.22-10,378.86-1,725.09

Finding the Fourth Proportional to 6,919.22, 10,378.86 and 1,725.09

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Solution

The fourth proportional to 6,919.22, 10,378.86 and 1,725.09 is: 2,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.22 : 10,378.86 = 1,725.09 : x
  2. Step 2: Convert to fraction form
    6,919.22/10,378.86 = 1,725.09/x
  3. Step 3: Cross multiply
    6,919.22x = 10,378.86 × 1,725.09
  4. Step 4: Simplify right side
    6,919.22x = 17,904,467.60
  5. Step 5: Solve for x
    x = 17,904,467.60/6,919.22
  6. Step 6: Final answer
    x = 2,587.64

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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.