Home / 4,813.57-7,210.30-3,871.43

Finding the Fourth Proportional to 4,813.57, 7,210.30 and 3,871.43

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Solution

The fourth proportional to 4,813.57, 7,210.30 and 3,871.43 is: 5,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.57 : 7,210.30 = 3,871.43 : x
  2. Step 2: Convert to fraction form
    4,813.57/7,210.30 = 3,871.43/x
  3. Step 3: Cross multiply
    4,813.57x = 7,210.30 × 3,871.43
  4. Step 4: Simplify right side
    4,813.57x = 27,914,135.01
  5. Step 5: Solve for x
    x = 27,914,135.01/4,813.57
  6. Step 6: Final answer
    x = 5,799.05

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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.