Home / 4,193.89-5,787.69-2,515.37

Finding the Fourth Proportional to 4,193.89, 5,787.69 and 2,515.37

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Solution

The fourth proportional to 4,193.89, 5,787.69 and 2,515.37 is: 3,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.89 : 5,787.69 = 2,515.37 : x
  2. Step 2: Convert to fraction form
    4,193.89/5,787.69 = 2,515.37/x
  3. Step 3: Cross multiply
    4,193.89x = 5,787.69 × 2,515.37
  4. Step 4: Simplify right side
    4,193.89x = 14,558,143.42
  5. Step 5: Solve for x
    x = 14,558,143.42/4,193.89
  6. Step 6: Final answer
    x = 3,471.28

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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.