Home / 7,935.61-11,907.39-3,259.09

Finding the Fourth Proportional to 7,935.61, 11,907.39 and 3,259.09

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Solution

The fourth proportional to 7,935.61, 11,907.39 and 3,259.09 is: 4,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.61 : 11,907.39 = 3,259.09 : x
  2. Step 2: Convert to fraction form
    7,935.61/11,907.39 = 3,259.09/x
  3. Step 3: Cross multiply
    7,935.61x = 11,907.39 × 3,259.09
  4. Step 4: Simplify right side
    7,935.61x = 38,807,255.68
  5. Step 5: Solve for x
    x = 38,807,255.68/7,935.61
  6. Step 6: Final answer
    x = 4,890.27

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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.