Home / 4,289.73-5,918.09-2,609.79

Finding the Fourth Proportional to 4,289.73, 5,918.09 and 2,609.79

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Solution

The fourth proportional to 4,289.73, 5,918.09 and 2,609.79 is: 3,600.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.73 : 5,918.09 = 2,609.79 : x
  2. Step 2: Convert to fraction form
    4,289.73/5,918.09 = 2,609.79/x
  3. Step 3: Cross multiply
    4,289.73x = 5,918.09 × 2,609.79
  4. Step 4: Simplify right side
    4,289.73x = 15,444,959.05
  5. Step 5: Solve for x
    x = 15,444,959.05/4,289.73
  6. Step 6: Final answer
    x = 3,600.45

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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.