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Finding the Fourth Proportional to 5,778.12, 8,667.10 and 1,395.54

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Solution

The fourth proportional to 5,778.12, 8,667.10 and 1,395.54 is: 2,093.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.12 : 8,667.10 = 1,395.54 : x
  2. Step 2: Convert to fraction form
    5,778.12/8,667.10 = 1,395.54/x
  3. Step 3: Cross multiply
    5,778.12x = 8,667.10 × 1,395.54
  4. Step 4: Simplify right side
    5,778.12x = 12,095,284.73
  5. Step 5: Solve for x
    x = 12,095,284.73/5,778.12
  6. Step 6: Final answer
    x = 2,093.29

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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.