Home / 4,431.89-6,109.47-2,838.35

Finding the Fourth Proportional to 4,431.89, 6,109.47 and 2,838.35

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Solution

The fourth proportional to 4,431.89, 6,109.47 and 2,838.35 is: 3,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.89 : 6,109.47 = 2,838.35 : x
  2. Step 2: Convert to fraction form
    4,431.89/6,109.47 = 2,838.35/x
  3. Step 3: Cross multiply
    4,431.89x = 6,109.47 × 2,838.35
  4. Step 4: Simplify right side
    4,431.89x = 17,340,783.63
  5. Step 5: Solve for x
    x = 17,340,783.63/4,431.89
  6. Step 6: Final answer
    x = 3,912.73

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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.