Home / 4,178.76-5,768.56-2,763.32

Finding the Fourth Proportional to 4,178.76, 5,768.56 and 2,763.32

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Solution

The fourth proportional to 4,178.76, 5,768.56 and 2,763.32 is: 3,814.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.76 : 5,768.56 = 2,763.32 : x
  2. Step 2: Convert to fraction form
    4,178.76/5,768.56 = 2,763.32/x
  3. Step 3: Cross multiply
    4,178.76x = 5,768.56 × 2,763.32
  4. Step 4: Simplify right side
    4,178.76x = 15,940,377.22
  5. Step 5: Solve for x
    x = 15,940,377.22/4,178.76
  6. Step 6: Final answer
    x = 3,814.62

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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.