Home / 5,475.62-8,213.42-1,778.22

Finding the Fourth Proportional to 5,475.62, 8,213.42 and 1,778.22

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Solution

The fourth proportional to 5,475.62, 8,213.42 and 1,778.22 is: 2,667.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.62 : 8,213.42 = 1,778.22 : x
  2. Step 2: Convert to fraction form
    5,475.62/8,213.42 = 1,778.22/x
  3. Step 3: Cross multiply
    5,475.62x = 8,213.42 × 1,778.22
  4. Step 4: Simplify right side
    5,475.62x = 14,605,267.71
  5. Step 5: Solve for x
    x = 14,605,267.71/5,475.62
  6. Step 6: Final answer
    x = 2,667.33

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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.