Home / 4,077.36-5,638.62-4,003.56

Finding the Fourth Proportional to 4,077.36, 5,638.62 and 4,003.56

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Solution

The fourth proportional to 4,077.36, 5,638.62 and 4,003.56 is: 5,536.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.36 : 5,638.62 = 4,003.56 : x
  2. Step 2: Convert to fraction form
    4,077.36/5,638.62 = 4,003.56/x
  3. Step 3: Cross multiply
    4,077.36x = 5,638.62 × 4,003.56
  4. Step 4: Simplify right side
    4,077.36x = 22,574,553.49
  5. Step 5: Solve for x
    x = 22,574,553.49/4,077.36
  6. Step 6: Final answer
    x = 5,536.56

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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.