Home / 4,289-5,923.68-2,889.32

Finding the Fourth Proportional to 4,289, 5,923.68 and 2,889.32

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Solution

The fourth proportional to 4,289, 5,923.68 and 2,889.32 is: 3,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289 : 5,923.68 = 2,889.32 : x
  2. Step 2: Convert to fraction form
    4,289/5,923.68 = 2,889.32/x
  3. Step 3: Cross multiply
    4,289x = 5,923.68 × 2,889.32
  4. Step 4: Simplify right side
    4,289x = 17,115,407.10
  5. Step 5: Solve for x
    x = 17,115,407.10/4,289
  6. Step 6: Final answer
    x = 3,990.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.