Home / 4,678.94-6,458.28-2,791.84

Finding the Fourth Proportional to 4,678.94, 6,458.28 and 2,791.84

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Solution

The fourth proportional to 4,678.94, 6,458.28 and 2,791.84 is: 3,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.94 : 6,458.28 = 2,791.84 : x
  2. Step 2: Convert to fraction form
    4,678.94/6,458.28 = 2,791.84/x
  3. Step 3: Cross multiply
    4,678.94x = 6,458.28 × 2,791.84
  4. Step 4: Simplify right side
    4,678.94x = 18,030,484.44
  5. Step 5: Solve for x
    x = 18,030,484.44/4,678.94
  6. Step 6: Final answer
    x = 3,853.54

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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.