Home / 5,080.80-7,625.04-2,161.16

Finding the Fourth Proportional to 5,080.80, 7,625.04 and 2,161.16

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Solution

The fourth proportional to 5,080.80, 7,625.04 and 2,161.16 is: 3,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.80 : 7,625.04 = 2,161.16 : x
  2. Step 2: Convert to fraction form
    5,080.80/7,625.04 = 2,161.16/x
  3. Step 3: Cross multiply
    5,080.80x = 7,625.04 × 2,161.16
  4. Step 4: Simplify right side
    5,080.80x = 16,478,931.45
  5. Step 5: Solve for x
    x = 16,478,931.45/5,080.80
  6. Step 6: Final answer
    x = 3,243.37

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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.