Home / 8,112.02-12,157.43-4,159.92

Finding the Fourth Proportional to 8,112.02, 12,157.43 and 4,159.92

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Solution

The fourth proportional to 8,112.02, 12,157.43 and 4,159.92 is: 6,234.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.02 : 12,157.43 = 4,159.92 : x
  2. Step 2: Convert to fraction form
    8,112.02/12,157.43 = 4,159.92/x
  3. Step 3: Cross multiply
    8,112.02x = 12,157.43 × 4,159.92
  4. Step 4: Simplify right side
    8,112.02x = 50,573,961.00
  5. Step 5: Solve for x
    x = 50,573,961.00/8,112.02
  6. Step 6: Final answer
    x = 6,234.45

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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.