Home / 8,411.58-12,616.43-2,171.34

Finding the Fourth Proportional to 8,411.58, 12,616.43 and 2,171.34

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Solution

The fourth proportional to 8,411.58, 12,616.43 and 2,171.34 is: 3,256.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.58 : 12,616.43 = 2,171.34 : x
  2. Step 2: Convert to fraction form
    8,411.58/12,616.43 = 2,171.34/x
  3. Step 3: Cross multiply
    8,411.58x = 12,616.43 × 2,171.34
  4. Step 4: Simplify right side
    8,411.58x = 27,394,548.26
  5. Step 5: Solve for x
    x = 27,394,548.26/8,411.58
  6. Step 6: Final answer
    x = 3,256.77

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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.