Home / 4,788.60-6,605.04-3,018.72

Finding the Fourth Proportional to 4,788.60, 6,605.04 and 3,018.72

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Solution

The fourth proportional to 4,788.60, 6,605.04 and 3,018.72 is: 4,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.60 : 6,605.04 = 3,018.72 : x
  2. Step 2: Convert to fraction form
    4,788.60/6,605.04 = 3,018.72/x
  3. Step 3: Cross multiply
    4,788.60x = 6,605.04 × 3,018.72
  4. Step 4: Simplify right side
    4,788.60x = 19,938,766.35
  5. Step 5: Solve for x
    x = 19,938,766.35/4,788.60
  6. Step 6: Final answer
    x = 4,163.80

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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.