Home / 4,765.30-7,145.89-3,670.45

Finding the Fourth Proportional to 4,765.30, 7,145.89 and 3,670.45

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Solution

The fourth proportional to 4,765.30, 7,145.89 and 3,670.45 is: 5,504.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.30 : 7,145.89 = 3,670.45 : x
  2. Step 2: Convert to fraction form
    4,765.30/7,145.89 = 3,670.45/x
  3. Step 3: Cross multiply
    4,765.30x = 7,145.89 × 3,670.45
  4. Step 4: Simplify right side
    4,765.30x = 26,228,631.95
  5. Step 5: Solve for x
    x = 26,228,631.95/4,765.30
  6. Step 6: Final answer
    x = 5,504.09

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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.