Home / 4,450.78-6,667.98-2,803.42

Finding the Fourth Proportional to 4,450.78, 6,667.98 and 2,803.42

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Solution

The fourth proportional to 4,450.78, 6,667.98 and 2,803.42 is: 4,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,450.78 : 6,667.98 = 2,803.42 : x
  2. Step 2: Convert to fraction form
    4,450.78/6,667.98 = 2,803.42/x
  3. Step 3: Cross multiply
    4,450.78x = 6,667.98 × 2,803.42
  4. Step 4: Simplify right side
    4,450.78x = 18,693,148.49
  5. Step 5: Solve for x
    x = 18,693,148.49/4,450.78
  6. Step 6: Final answer
    x = 4,199.97

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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.