Home / 6,936.13-10,385.64-3,642.31

Finding the Fourth Proportional to 6,936.13, 10,385.64 and 3,642.31

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Solution

The fourth proportional to 6,936.13, 10,385.64 and 3,642.31 is: 5,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.13 : 10,385.64 = 3,642.31 : x
  2. Step 2: Convert to fraction form
    6,936.13/10,385.64 = 3,642.31/x
  3. Step 3: Cross multiply
    6,936.13x = 10,385.64 × 3,642.31
  4. Step 4: Simplify right side
    6,936.13x = 37,827,720.43
  5. Step 5: Solve for x
    x = 37,827,720.43/6,936.13
  6. Step 6: Final answer
    x = 5,453.72

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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.