Home / 4,871.75-7,310.25-2,101.14

Finding the Fourth Proportional to 4,871.75, 7,310.25 and 2,101.14

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Solution

The fourth proportional to 4,871.75, 7,310.25 and 2,101.14 is: 3,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.75 : 7,310.25 = 2,101.14 : x
  2. Step 2: Convert to fraction form
    4,871.75/7,310.25 = 2,101.14/x
  3. Step 3: Cross multiply
    4,871.75x = 7,310.25 × 2,101.14
  4. Step 4: Simplify right side
    4,871.75x = 15,359,858.69
  5. Step 5: Solve for x
    x = 15,359,858.69/4,871.75
  6. Step 6: Final answer
    x = 3,152.85

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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.