Home / 4,918.76-7,380.40-2,284.56

Finding the Fourth Proportional to 4,918.76, 7,380.40 and 2,284.56

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Solution

The fourth proportional to 4,918.76, 7,380.40 and 2,284.56 is: 3,427.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.76 : 7,380.40 = 2,284.56 : x
  2. Step 2: Convert to fraction form
    4,918.76/7,380.40 = 2,284.56/x
  3. Step 3: Cross multiply
    4,918.76x = 7,380.40 × 2,284.56
  4. Step 4: Simplify right side
    4,918.76x = 16,860,966.62
  5. Step 5: Solve for x
    x = 16,860,966.62/4,918.76
  6. Step 6: Final answer
    x = 3,427.89

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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.