Home / 8,671.56-13,005.26-3,406.35

Finding the Fourth Proportional to 8,671.56, 13,005.26 and 3,406.35

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Solution

The fourth proportional to 8,671.56, 13,005.26 and 3,406.35 is: 5,108.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.56 : 13,005.26 = 3,406.35 : x
  2. Step 2: Convert to fraction form
    8,671.56/13,005.26 = 3,406.35/x
  3. Step 3: Cross multiply
    8,671.56x = 13,005.26 × 3,406.35
  4. Step 4: Simplify right side
    8,671.56x = 44,300,511.91
  5. Step 5: Solve for x
    x = 44,300,511.91/8,671.56
  6. Step 6: Final answer
    x = 5,108.72

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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.