Home / 4,222.84-5,814.30-3,474.40

Finding the Fourth Proportional to 4,222.84, 5,814.30 and 3,474.40

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Solution

The fourth proportional to 4,222.84, 5,814.30 and 3,474.40 is: 4,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.84 : 5,814.30 = 3,474.40 : x
  2. Step 2: Convert to fraction form
    4,222.84/5,814.30 = 3,474.40/x
  3. Step 3: Cross multiply
    4,222.84x = 5,814.30 × 3,474.40
  4. Step 4: Simplify right side
    4,222.84x = 20,201,203.92
  5. Step 5: Solve for x
    x = 20,201,203.92/4,222.84
  6. Step 6: Final answer
    x = 4,783.80

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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.