Home / 5,475.67-8,213.81-1,778.02

Finding the Fourth Proportional to 5,475.67, 8,213.81 and 1,778.02

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Solution

The fourth proportional to 5,475.67, 8,213.81 and 1,778.02 is: 2,667.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.67 : 8,213.81 = 1,778.02 : x
  2. Step 2: Convert to fraction form
    5,475.67/8,213.81 = 1,778.02/x
  3. Step 3: Cross multiply
    5,475.67x = 8,213.81 × 1,778.02
  4. Step 4: Simplify right side
    5,475.67x = 14,604,289.03
  5. Step 5: Solve for x
    x = 14,604,289.03/5,475.67
  6. Step 6: Final answer
    x = 2,667.12

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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.