Home / 4,871.26-6,722.28-2,775.37

Finding the Fourth Proportional to 4,871.26, 6,722.28 and 2,775.37

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Solution

The fourth proportional to 4,871.26, 6,722.28 and 2,775.37 is: 3,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.26 : 6,722.28 = 2,775.37 : x
  2. Step 2: Convert to fraction form
    4,871.26/6,722.28 = 2,775.37/x
  3. Step 3: Cross multiply
    4,871.26x = 6,722.28 × 2,775.37
  4. Step 4: Simplify right side
    4,871.26x = 18,656,814.24
  5. Step 5: Solve for x
    x = 18,656,814.24/4,871.26
  6. Step 6: Final answer
    x = 3,829.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.