Home / 5,167.94-7,756.40-2,830.07

Finding the Fourth Proportional to 5,167.94, 7,756.40 and 2,830.07

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Solution

The fourth proportional to 5,167.94, 7,756.40 and 2,830.07 is: 4,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.94 : 7,756.40 = 2,830.07 : x
  2. Step 2: Convert to fraction form
    5,167.94/7,756.40 = 2,830.07/x
  3. Step 3: Cross multiply
    5,167.94x = 7,756.40 × 2,830.07
  4. Step 4: Simplify right side
    5,167.94x = 21,951,140.80
  5. Step 5: Solve for x
    x = 21,951,140.80/5,167.94
  6. Step 6: Final answer
    x = 4,247.56

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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.