Home / 8,446.07-12,655.26-2,896.43

Finding the Fourth Proportional to 8,446.07, 12,655.26 and 2,896.43

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Solution

The fourth proportional to 8,446.07, 12,655.26 and 2,896.43 is: 4,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446.07 : 12,655.26 = 2,896.43 : x
  2. Step 2: Convert to fraction form
    8,446.07/12,655.26 = 2,896.43/x
  3. Step 3: Cross multiply
    8,446.07x = 12,655.26 × 2,896.43
  4. Step 4: Simplify right side
    8,446.07x = 36,655,074.72
  5. Step 5: Solve for x
    x = 36,655,074.72/8,446.07
  6. Step 6: Final answer
    x = 4,339.90

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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.