Home / 8,176.90-12,267.16-2,982.76

Finding the Fourth Proportional to 8,176.90, 12,267.16 and 2,982.76

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Solution

The fourth proportional to 8,176.90, 12,267.16 and 2,982.76 is: 4,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.90 : 12,267.16 = 2,982.76 : x
  2. Step 2: Convert to fraction form
    8,176.90/12,267.16 = 2,982.76/x
  3. Step 3: Cross multiply
    8,176.90x = 12,267.16 × 2,982.76
  4. Step 4: Simplify right side
    8,176.90x = 36,589,994.16
  5. Step 5: Solve for x
    x = 36,589,994.16/8,176.90
  6. Step 6: Final answer
    x = 4,474.80

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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.