Home / 4,080.72-6,121.13-1,159.02

Finding the Fourth Proportional to 4,080.72, 6,121.13 and 1,159.02

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Solution

The fourth proportional to 4,080.72, 6,121.13 and 1,159.02 is: 1,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.72 : 6,121.13 = 1,159.02 : x
  2. Step 2: Convert to fraction form
    4,080.72/6,121.13 = 1,159.02/x
  3. Step 3: Cross multiply
    4,080.72x = 6,121.13 × 1,159.02
  4. Step 4: Simplify right side
    4,080.72x = 7,094,523.05
  5. Step 5: Solve for x
    x = 7,094,523.05/4,080.72
  6. Step 6: Final answer
    x = 1,738.55

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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.