Home / 5,243.25-7,859.58-2,606.70

Finding the Fourth Proportional to 5,243.25, 7,859.58 and 2,606.70

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Solution

The fourth proportional to 5,243.25, 7,859.58 and 2,606.70 is: 3,907.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.25 : 7,859.58 = 2,606.70 : x
  2. Step 2: Convert to fraction form
    5,243.25/7,859.58 = 2,606.70/x
  3. Step 3: Cross multiply
    5,243.25x = 7,859.58 × 2,606.70
  4. Step 4: Simplify right side
    5,243.25x = 20,487,601.55
  5. Step 5: Solve for x
    x = 20,487,601.55/5,243.25
  6. Step 6: Final answer
    x = 3,907.42

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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.