Home / 5,144.28-7,717.44-1,857.84

Finding the Fourth Proportional to 5,144.28, 7,717.44 and 1,857.84

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Solution

The fourth proportional to 5,144.28, 7,717.44 and 1,857.84 is: 2,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.28 : 7,717.44 = 1,857.84 : x
  2. Step 2: Convert to fraction form
    5,144.28/7,717.44 = 1,857.84/x
  3. Step 3: Cross multiply
    5,144.28x = 7,717.44 × 1,857.84
  4. Step 4: Simplify right side
    5,144.28x = 14,337,768.73
  5. Step 5: Solve for x
    x = 14,337,768.73/5,144.28
  6. Step 6: Final answer
    x = 2,787.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.