Home / 8,517.21-12,776.35-2,674.05

Finding the Fourth Proportional to 8,517.21, 12,776.35 and 2,674.05

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Solution

The fourth proportional to 8,517.21, 12,776.35 and 2,674.05 is: 4,011.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.21 : 12,776.35 = 2,674.05 : x
  2. Step 2: Convert to fraction form
    8,517.21/12,776.35 = 2,674.05/x
  3. Step 3: Cross multiply
    8,517.21x = 12,776.35 × 2,674.05
  4. Step 4: Simplify right side
    8,517.21x = 34,164,598.72
  5. Step 5: Solve for x
    x = 34,164,598.72/8,517.21
  6. Step 6: Final answer
    x = 4,011.24

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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.