Home / 8,080.90-12,121.34-2,534.72

Finding the Fourth Proportional to 8,080.90, 12,121.34 and 2,534.72

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Solution

The fourth proportional to 8,080.90, 12,121.34 and 2,534.72 is: 3,802.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.90 : 12,121.34 = 2,534.72 : x
  2. Step 2: Convert to fraction form
    8,080.90/12,121.34 = 2,534.72/x
  3. Step 3: Cross multiply
    8,080.90x = 12,121.34 × 2,534.72
  4. Step 4: Simplify right side
    8,080.90x = 30,724,202.92
  5. Step 5: Solve for x
    x = 30,724,202.92/8,080.90
  6. Step 6: Final answer
    x = 3,802.08

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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.