Home / 4,814.60-7,218.30-2,625.80

Finding the Fourth Proportional to 4,814.60, 7,218.30 and 2,625.80

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Solution

The fourth proportional to 4,814.60, 7,218.30 and 2,625.80 is: 3,936.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.60 : 7,218.30 = 2,625.80 : x
  2. Step 2: Convert to fraction form
    4,814.60/7,218.30 = 2,625.80/x
  3. Step 3: Cross multiply
    4,814.60x = 7,218.30 × 2,625.80
  4. Step 4: Simplify right side
    4,814.60x = 18,953,812.14
  5. Step 5: Solve for x
    x = 18,953,812.14/4,814.60
  6. Step 6: Final answer
    x = 3,936.74

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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.