Home / 4,108.36-6,162.02-1,147.03

Finding the Fourth Proportional to 4,108.36, 6,162.02 and 1,147.03

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Solution

The fourth proportional to 4,108.36, 6,162.02 and 1,147.03 is: 1,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.36 : 6,162.02 = 1,147.03 : x
  2. Step 2: Convert to fraction form
    4,108.36/6,162.02 = 1,147.03/x
  3. Step 3: Cross multiply
    4,108.36x = 6,162.02 × 1,147.03
  4. Step 4: Simplify right side
    4,108.36x = 7,068,021.80
  5. Step 5: Solve for x
    x = 7,068,021.80/4,108.36
  6. Step 6: Final answer
    x = 1,720.40

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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.