Home / 8,406.08-12,606.30-4,243.43

Finding the Fourth Proportional to 8,406.08, 12,606.30 and 4,243.43

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Solution

The fourth proportional to 8,406.08, 12,606.30 and 4,243.43 is: 6,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.08 : 12,606.30 = 4,243.43 : x
  2. Step 2: Convert to fraction form
    8,406.08/12,606.30 = 4,243.43/x
  3. Step 3: Cross multiply
    8,406.08x = 12,606.30 × 4,243.43
  4. Step 4: Simplify right side
    8,406.08x = 53,493,983.12
  5. Step 5: Solve for x
    x = 53,493,983.12/8,406.08
  6. Step 6: Final answer
    x = 6,363.73

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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.