Home / 4,764.20-7,178.84-3,917.48

Finding the Fourth Proportional to 4,764.20, 7,178.84 and 3,917.48

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Solution

The fourth proportional to 4,764.20, 7,178.84 and 3,917.48 is: 5,902.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.20 : 7,178.84 = 3,917.48 : x
  2. Step 2: Convert to fraction form
    4,764.20/7,178.84 = 3,917.48/x
  3. Step 3: Cross multiply
    4,764.20x = 7,178.84 × 3,917.48
  4. Step 4: Simplify right side
    4,764.20x = 28,122,962.12
  5. Step 5: Solve for x
    x = 28,122,962.12/4,764.20
  6. Step 6: Final answer
    x = 5,902.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.