Home / 5,237.07-7,857.08-2,119.27

Finding the Fourth Proportional to 5,237.07, 7,857.08 and 2,119.27

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Solution

The fourth proportional to 5,237.07, 7,857.08 and 2,119.27 is: 3,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.07 : 7,857.08 = 2,119.27 : x
  2. Step 2: Convert to fraction form
    5,237.07/7,857.08 = 2,119.27/x
  3. Step 3: Cross multiply
    5,237.07x = 7,857.08 × 2,119.27
  4. Step 4: Simplify right side
    5,237.07x = 16,651,265.94
  5. Step 5: Solve for x
    x = 16,651,265.94/5,237.07
  6. Step 6: Final answer
    x = 3,179.50

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1.5x scale

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.