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Finding the Fourth Proportional to 8,014.83, 12,018.90 and 3,853.86

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Solution

The fourth proportional to 8,014.83, 12,018.90 and 3,853.86 is: 5,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.83 : 12,018.90 = 3,853.86 : x
  2. Step 2: Convert to fraction form
    8,014.83/12,018.90 = 3,853.86/x
  3. Step 3: Cross multiply
    8,014.83x = 12,018.90 × 3,853.86
  4. Step 4: Simplify right side
    8,014.83x = 46,319,157.95
  5. Step 5: Solve for x
    x = 46,319,157.95/8,014.83
  6. Step 6: Final answer
    x = 5,779.18

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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.