Home / 8,164.59-12,245.09-4,000.47

Finding the Fourth Proportional to 8,164.59, 12,245.09 and 4,000.47

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Solution

The fourth proportional to 8,164.59, 12,245.09 and 4,000.47 is: 5,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.59 : 12,245.09 = 4,000.47 : x
  2. Step 2: Convert to fraction form
    8,164.59/12,245.09 = 4,000.47/x
  3. Step 3: Cross multiply
    8,164.59x = 12,245.09 × 4,000.47
  4. Step 4: Simplify right side
    8,164.59x = 48,986,095.19
  5. Step 5: Solve for x
    x = 48,986,095.19/8,164.59
  6. Step 6: Final answer
    x = 5,999.82

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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.