Home / 6,819.36-10,228.68-1,889.16

Finding the Fourth Proportional to 6,819.36, 10,228.68 and 1,889.16

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Solution

The fourth proportional to 6,819.36, 10,228.68 and 1,889.16 is: 2,833.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.36 : 10,228.68 = 1,889.16 : x
  2. Step 2: Convert to fraction form
    6,819.36/10,228.68 = 1,889.16/x
  3. Step 3: Cross multiply
    6,819.36x = 10,228.68 × 1,889.16
  4. Step 4: Simplify right side
    6,819.36x = 19,323,613.11
  5. Step 5: Solve for x
    x = 19,323,613.11/6,819.36
  6. Step 6: Final answer
    x = 2,833.64

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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.