Home / 8,190.18-12,273.53-4,672.89

Finding the Fourth Proportional to 8,190.18, 12,273.53 and 4,672.89

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Solution

The fourth proportional to 8,190.18, 12,273.53 and 4,672.89 is: 7,002.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.18 : 12,273.53 = 4,672.89 : x
  2. Step 2: Convert to fraction form
    8,190.18/12,273.53 = 4,672.89/x
  3. Step 3: Cross multiply
    8,190.18x = 12,273.53 × 4,672.89
  4. Step 4: Simplify right side
    8,190.18x = 57,352,832.24
  5. Step 5: Solve for x
    x = 57,352,832.24/8,190.18
  6. Step 6: Final answer
    x = 7,002.63

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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.