Home / 5,968.86-8,961.44-4,115.40

Finding the Fourth Proportional to 5,968.86, 8,961.44 and 4,115.40

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Solution

The fourth proportional to 5,968.86, 8,961.44 and 4,115.40 is: 6,178.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,968.86 : 8,961.44 = 4,115.40 : x
  2. Step 2: Convert to fraction form
    5,968.86/8,961.44 = 4,115.40/x
  3. Step 3: Cross multiply
    5,968.86x = 8,961.44 × 4,115.40
  4. Step 4: Simplify right side
    5,968.86x = 36,879,889.60
  5. Step 5: Solve for x
    x = 36,879,889.60/5,968.86
  6. Step 6: Final answer
    x = 6,178.72

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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.