Home / 5,080.80-7,620.72-2,614.32

Finding the Fourth Proportional to 5,080.80, 7,620.72 and 2,614.32

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Solution

The fourth proportional to 5,080.80, 7,620.72 and 2,614.32 is: 3,921.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.80 : 7,620.72 = 2,614.32 : x
  2. Step 2: Convert to fraction form
    5,080.80/7,620.72 = 2,614.32/x
  3. Step 3: Cross multiply
    5,080.80x = 7,620.72 × 2,614.32
  4. Step 4: Simplify right side
    5,080.80x = 19,923,000.71
  5. Step 5: Solve for x
    x = 19,923,000.71/5,080.80
  6. Step 6: Final answer
    x = 3,921.23

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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.