Home / 5,451.84-7,527.78-4,190.94

Finding the Fourth Proportional to 5,451.84, 7,527.78 and 4,190.94

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Solution

The fourth proportional to 5,451.84, 7,527.78 and 4,190.94 is: 5,786.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.84 : 7,527.78 = 4,190.94 : x
  2. Step 2: Convert to fraction form
    5,451.84/7,527.78 = 4,190.94/x
  3. Step 3: Cross multiply
    5,451.84x = 7,527.78 × 4,190.94
  4. Step 4: Simplify right side
    5,451.84x = 31,548,474.31
  5. Step 5: Solve for x
    x = 31,548,474.31/5,451.84
  6. Step 6: Final answer
    x = 5,786.76

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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.