Home / 4,077.61-5,621.75-2,942.33

Finding the Fourth Proportional to 4,077.61, 5,621.75 and 2,942.33

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Solution

The fourth proportional to 4,077.61, 5,621.75 and 2,942.33 is: 4,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.61 : 5,621.75 = 2,942.33 : x
  2. Step 2: Convert to fraction form
    4,077.61/5,621.75 = 2,942.33/x
  3. Step 3: Cross multiply
    4,077.61x = 5,621.75 × 2,942.33
  4. Step 4: Simplify right side
    4,077.61x = 16,541,032.97
  5. Step 5: Solve for x
    x = 16,541,032.97/4,077.61
  6. Step 6: Final answer
    x = 4,056.55

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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.