Home / 6,936.30-10,402.56-3,039.75

Finding the Fourth Proportional to 6,936.30, 10,402.56 and 3,039.75

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Solution

The fourth proportional to 6,936.30, 10,402.56 and 3,039.75 is: 4,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.30 : 10,402.56 = 3,039.75 : x
  2. Step 2: Convert to fraction form
    6,936.30/10,402.56 = 3,039.75/x
  3. Step 3: Cross multiply
    6,936.30x = 10,402.56 × 3,039.75
  4. Step 4: Simplify right side
    6,936.30x = 31,621,181.76
  5. Step 5: Solve for x
    x = 31,621,181.76/6,936.30
  6. Step 6: Final answer
    x = 4,558.80

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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.