Home / 8,671.43-13,008.36-2,826.56

Finding the Fourth Proportional to 8,671.43, 13,008.36 and 2,826.56

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Solution

The fourth proportional to 8,671.43, 13,008.36 and 2,826.56 is: 4,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.43 : 13,008.36 = 2,826.56 : x
  2. Step 2: Convert to fraction form
    8,671.43/13,008.36 = 2,826.56/x
  3. Step 3: Cross multiply
    8,671.43x = 13,008.36 × 2,826.56
  4. Step 4: Simplify right side
    8,671.43x = 36,768,910.04
  5. Step 5: Solve for x
    x = 36,768,910.04/8,671.43
  6. Step 6: Final answer
    x = 4,240.24

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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.