Home / 7,080.68-10,622.36-3,383.20

Finding the Fourth Proportional to 7,080.68, 10,622.36 and 3,383.20

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Solution

The fourth proportional to 7,080.68, 10,622.36 and 3,383.20 is: 5,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.68 : 10,622.36 = 3,383.20 : x
  2. Step 2: Convert to fraction form
    7,080.68/10,622.36 = 3,383.20/x
  3. Step 3: Cross multiply
    7,080.68x = 10,622.36 × 3,383.20
  4. Step 4: Simplify right side
    7,080.68x = 35,937,568.35
  5. Step 5: Solve for x
    x = 35,937,568.35/7,080.68
  6. Step 6: Final answer
    x = 5,075.44

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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.