Home / 8,638.14-12,957.21-3,444.06

Finding the Fourth Proportional to 8,638.14, 12,957.21 and 3,444.06

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Solution

The fourth proportional to 8,638.14, 12,957.21 and 3,444.06 is: 5,166.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638.14 : 12,957.21 = 3,444.06 : x
  2. Step 2: Convert to fraction form
    8,638.14/12,957.21 = 3,444.06/x
  3. Step 3: Cross multiply
    8,638.14x = 12,957.21 × 3,444.06
  4. Step 4: Simplify right side
    8,638.14x = 44,625,408.67
  5. Step 5: Solve for x
    x = 44,625,408.67/8,638.14
  6. Step 6: Final answer
    x = 5,166.09

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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.