Home / 8,273.96-12,402.23-3,887.81

Finding the Fourth Proportional to 8,273.96, 12,402.23 and 3,887.81

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Solution

The fourth proportional to 8,273.96, 12,402.23 and 3,887.81 is: 5,827.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.96 : 12,402.23 = 3,887.81 : x
  2. Step 2: Convert to fraction form
    8,273.96/12,402.23 = 3,887.81/x
  3. Step 3: Cross multiply
    8,273.96x = 12,402.23 × 3,887.81
  4. Step 4: Simplify right side
    8,273.96x = 48,217,432.37
  5. Step 5: Solve for x
    x = 48,217,432.37/8,273.96
  6. Step 6: Final answer
    x = 5,827.62

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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.