Home / 5,005.94-6,905.57-4,062.78

Finding the Fourth Proportional to 5,005.94, 6,905.57 and 4,062.78

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Solution

The fourth proportional to 5,005.94, 6,905.57 and 4,062.78 is: 5,604.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.94 : 6,905.57 = 4,062.78 : x
  2. Step 2: Convert to fraction form
    5,005.94/6,905.57 = 4,062.78/x
  3. Step 3: Cross multiply
    5,005.94x = 6,905.57 × 4,062.78
  4. Step 4: Simplify right side
    5,005.94x = 28,055,791.37
  5. Step 5: Solve for x
    x = 28,055,791.37/5,005.94
  6. Step 6: Final answer
    x = 5,604.51

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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.