Home / 8,539.47-12,800.43-3,273.05

Finding the Fourth Proportional to 8,539.47, 12,800.43 and 3,273.05

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Solution

The fourth proportional to 8,539.47, 12,800.43 and 3,273.05 is: 4,906.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.47 : 12,800.43 = 3,273.05 : x
  2. Step 2: Convert to fraction form
    8,539.47/12,800.43 = 3,273.05/x
  3. Step 3: Cross multiply
    8,539.47x = 12,800.43 × 3,273.05
  4. Step 4: Simplify right side
    8,539.47x = 41,896,479.41
  5. Step 5: Solve for x
    x = 41,896,479.41/8,539.47
  6. Step 6: Final answer
    x = 4,906.22

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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.