Home / 4,507.75-6,765.11-3,130.75

Finding the Fourth Proportional to 4,507.75, 6,765.11 and 3,130.75

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Solution

The fourth proportional to 4,507.75, 6,765.11 and 3,130.75 is: 4,698.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.75 : 6,765.11 = 3,130.75 : x
  2. Step 2: Convert to fraction form
    4,507.75/6,765.11 = 3,130.75/x
  3. Step 3: Cross multiply
    4,507.75x = 6,765.11 × 3,130.75
  4. Step 4: Simplify right side
    4,507.75x = 21,179,818.65
  5. Step 5: Solve for x
    x = 21,179,818.65/4,507.75
  6. Step 6: Final answer
    x = 4,698.54

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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.