Home / 4,085.33-6,128.00-1,312.02

Finding the Fourth Proportional to 4,085.33, 6,128.00 and 1,312.02

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Solution

The fourth proportional to 4,085.33, 6,128.00 and 1,312.02 is: 1,968.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.33 : 6,128.00 = 1,312.02 : x
  2. Step 2: Convert to fraction form
    4,085.33/6,128.00 = 1,312.02/x
  3. Step 3: Cross multiply
    4,085.33x = 6,128.00 × 1,312.02
  4. Step 4: Simplify right side
    4,085.33x = 8,040,052.00
  5. Step 5: Solve for x
    x = 8,040,052.00/4,085.33
  6. Step 6: Final answer
    x = 1,968.03

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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.