Home / 4,080.25-6,120.81-1,305.93

Finding the Fourth Proportional to 4,080.25, 6,120.81 and 1,305.93

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Solution

The fourth proportional to 4,080.25, 6,120.81 and 1,305.93 is: 1,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.25 : 6,120.81 = 1,305.93 : x
  2. Step 2: Convert to fraction form
    4,080.25/6,120.81 = 1,305.93/x
  3. Step 3: Cross multiply
    4,080.25x = 6,120.81 × 1,305.93
  4. Step 4: Simplify right side
    4,080.25x = 7,993,349.40
  5. Step 5: Solve for x
    x = 7,993,349.40/4,080.25
  6. Step 6: Final answer
    x = 1,959.03

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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.