Home / 7,936.94-11,905.65-2,390.30

Finding the Fourth Proportional to 7,936.94, 11,905.65 and 2,390.30

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Solution

The fourth proportional to 7,936.94, 11,905.65 and 2,390.30 is: 3,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.94 : 11,905.65 = 2,390.30 : x
  2. Step 2: Convert to fraction form
    7,936.94/11,905.65 = 2,390.30/x
  3. Step 3: Cross multiply
    7,936.94x = 11,905.65 × 2,390.30
  4. Step 4: Simplify right side
    7,936.94x = 28,458,075.20
  5. Step 5: Solve for x
    x = 28,458,075.20/7,936.94
  6. Step 6: Final answer
    x = 3,585.52

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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.