Home / 4,788.30-7,184.88-3,145.62

Finding the Fourth Proportional to 4,788.30, 7,184.88 and 3,145.62

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Solution

The fourth proportional to 4,788.30, 7,184.88 and 3,145.62 is: 4,720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.30 : 7,184.88 = 3,145.62 : x
  2. Step 2: Convert to fraction form
    4,788.30/7,184.88 = 3,145.62/x
  3. Step 3: Cross multiply
    4,788.30x = 7,184.88 × 3,145.62
  4. Step 4: Simplify right side
    4,788.30x = 22,600,902.23
  5. Step 5: Solve for x
    x = 22,600,902.23/4,788.30
  6. Step 6: Final answer
    x = 4,720.03

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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.