Home / 4,835.60-7,245.72-3,102.80

Finding the Fourth Proportional to 4,835.60, 7,245.72 and 3,102.80

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Solution

The fourth proportional to 4,835.60, 7,245.72 and 3,102.80 is: 4,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,835.60 : 7,245.72 = 3,102.80 : x
  2. Step 2: Convert to fraction form
    4,835.60/7,245.72 = 3,102.80/x
  3. Step 3: Cross multiply
    4,835.60x = 7,245.72 × 3,102.80
  4. Step 4: Simplify right side
    4,835.60x = 22,482,020.02
  5. Step 5: Solve for x
    x = 22,482,020.02/4,835.60
  6. Step 6: Final answer
    x = 4,649.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.