Home / 4,080.76-6,121.52-1,159.12

Finding the Fourth Proportional to 4,080.76, 6,121.52 and 1,159.12

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Solution

The fourth proportional to 4,080.76, 6,121.52 and 1,159.12 is: 1,738.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.76 : 6,121.52 = 1,159.12 : x
  2. Step 2: Convert to fraction form
    4,080.76/6,121.52 = 1,159.12/x
  3. Step 3: Cross multiply
    4,080.76x = 6,121.52 × 1,159.12
  4. Step 4: Simplify right side
    4,080.76x = 7,095,576.26
  5. Step 5: Solve for x
    x = 7,095,576.26/4,080.76
  6. Step 6: Final answer
    x = 1,738.79

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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.