Home / 4,187.25-5,783.27-2,787.57

Finding the Fourth Proportional to 4,187.25, 5,783.27 and 2,787.57

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Solution

The fourth proportional to 4,187.25, 5,783.27 and 2,787.57 is: 3,850.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.25 : 5,783.27 = 2,787.57 : x
  2. Step 2: Convert to fraction form
    4,187.25/5,783.27 = 2,787.57/x
  3. Step 3: Cross multiply
    4,187.25x = 5,783.27 × 2,787.57
  4. Step 4: Simplify right side
    4,187.25x = 16,121,256.02
  5. Step 5: Solve for x
    x = 16,121,256.02/4,187.25
  6. Step 6: Final answer
    x = 3,850.08

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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.