Home / 8,180.22-12,273.98-4,283.72

Finding the Fourth Proportional to 8,180.22, 12,273.98 and 4,283.72

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Solution

The fourth proportional to 8,180.22, 12,273.98 and 4,283.72 is: 6,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.22 : 12,273.98 = 4,283.72 : x
  2. Step 2: Convert to fraction form
    8,180.22/12,273.98 = 4,283.72/x
  3. Step 3: Cross multiply
    8,180.22x = 12,273.98 × 4,283.72
  4. Step 4: Simplify right side
    8,180.22x = 52,578,280.94
  5. Step 5: Solve for x
    x = 52,578,280.94/8,180.22
  6. Step 6: Final answer
    x = 6,427.49

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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.