Home / 5,108.48-7,042.56-4,319.36

Finding the Fourth Proportional to 5,108.48, 7,042.56 and 4,319.36

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Solution

The fourth proportional to 5,108.48, 7,042.56 and 4,319.36 is: 5,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.48 : 7,042.56 = 4,319.36 : x
  2. Step 2: Convert to fraction form
    5,108.48/7,042.56 = 4,319.36/x
  3. Step 3: Cross multiply
    5,108.48x = 7,042.56 × 4,319.36
  4. Step 4: Simplify right side
    5,108.48x = 30,419,351.96
  5. Step 5: Solve for x
    x = 30,419,351.96/5,108.48
  6. Step 6: Final answer
    x = 5,954.68

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1.5x scale

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.