Home / 5,476.28-8,214.44-1,778.45

Finding the Fourth Proportional to 5,476.28, 8,214.44 and 1,778.45

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Solution

The fourth proportional to 5,476.28, 8,214.44 and 1,778.45 is: 2,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.28 : 8,214.44 = 1,778.45 : x
  2. Step 2: Convert to fraction form
    5,476.28/8,214.44 = 1,778.45/x
  3. Step 3: Cross multiply
    5,476.28x = 8,214.44 × 1,778.45
  4. Step 4: Simplify right side
    5,476.28x = 14,608,920.85
  5. Step 5: Solve for x
    x = 14,608,920.85/5,476.28
  6. Step 6: Final answer
    x = 2,667.67

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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.