Home / 4,579.80-6,871.79-2,827.50

Finding the Fourth Proportional to 4,579.80, 6,871.79 and 2,827.50

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Solution

The fourth proportional to 4,579.80, 6,871.79 and 2,827.50 is: 4,242.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.80 : 6,871.79 = 2,827.50 : x
  2. Step 2: Convert to fraction form
    4,579.80/6,871.79 = 2,827.50/x
  3. Step 3: Cross multiply
    4,579.80x = 6,871.79 × 2,827.50
  4. Step 4: Simplify right side
    4,579.80x = 19,429,986.23
  5. Step 5: Solve for x
    x = 19,429,986.23/4,579.80
  6. Step 6: Final answer
    x = 4,242.54

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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.