Home / 5,080.32-7,007.84-3,089.28

Finding the Fourth Proportional to 5,080.32, 7,007.84 and 3,089.28

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Solution

The fourth proportional to 5,080.32, 7,007.84 and 3,089.28 is: 4,261.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.32 : 7,007.84 = 3,089.28 : x
  2. Step 2: Convert to fraction form
    5,080.32/7,007.84 = 3,089.28/x
  3. Step 3: Cross multiply
    5,080.32x = 7,007.84 × 3,089.28
  4. Step 4: Simplify right side
    5,080.32x = 21,649,179.96
  5. Step 5: Solve for x
    x = 21,649,179.96/5,080.32
  6. Step 6: Final answer
    x = 4,261.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.