Home / 4,282.09-5,910.27-2,787.40

Finding the Fourth Proportional to 4,282.09, 5,910.27 and 2,787.40

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Solution

The fourth proportional to 4,282.09, 5,910.27 and 2,787.40 is: 3,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.09 : 5,910.27 = 2,787.40 : x
  2. Step 2: Convert to fraction form
    4,282.09/5,910.27 = 2,787.40/x
  3. Step 3: Cross multiply
    4,282.09x = 5,910.27 × 2,787.40
  4. Step 4: Simplify right side
    4,282.09x = 16,474,301.37
  5. Step 5: Solve for x
    x = 16,474,301.37/4,282.09
  6. Step 6: Final answer
    x = 3,847.26

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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.