Home / 5,080.40-7,622.14-2,120.27

Finding the Fourth Proportional to 5,080.40, 7,622.14 and 2,120.27

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Solution

The fourth proportional to 5,080.40, 7,622.14 and 2,120.27 is: 3,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.40 : 7,622.14 = 2,120.27 : x
  2. Step 2: Convert to fraction form
    5,080.40/7,622.14 = 2,120.27/x
  3. Step 3: Cross multiply
    5,080.40x = 7,622.14 × 2,120.27
  4. Step 4: Simplify right side
    5,080.40x = 16,160,994.78
  5. Step 5: Solve for x
    x = 16,160,994.78/5,080.40
  6. Step 6: Final answer
    x = 3,181.05

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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.