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Finding the Fourth Proportional to 9,080.76, 13,621.17 and 2,506.80

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Solution

The fourth proportional to 9,080.76, 13,621.17 and 2,506.80 is: 3,760.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,080.76 : 13,621.17 = 2,506.80 : x
  2. Step 2: Convert to fraction form
    9,080.76/13,621.17 = 2,506.80/x
  3. Step 3: Cross multiply
    9,080.76x = 13,621.17 × 2,506.80
  4. Step 4: Simplify right side
    9,080.76x = 34,145,548.96
  5. Step 5: Solve for x
    x = 34,145,548.96/9,080.76
  6. Step 6: Final answer
    x = 3,760.21

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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.