Home / 5,103.24-7,042.44-2,980.02

Finding the Fourth Proportional to 5,103.24, 7,042.44 and 2,980.02

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Solution

The fourth proportional to 5,103.24, 7,042.44 and 2,980.02 is: 4,112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.24 : 7,042.44 = 2,980.02 : x
  2. Step 2: Convert to fraction form
    5,103.24/7,042.44 = 2,980.02/x
  3. Step 3: Cross multiply
    5,103.24x = 7,042.44 × 2,980.02
  4. Step 4: Simplify right side
    5,103.24x = 20,986,612.05
  5. Step 5: Solve for x
    x = 20,986,612.05/5,103.24
  6. Step 6: Final answer
    x = 4,112.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.