Home / 7,107.36-10,659.32-3,156.44

Finding the Fourth Proportional to 7,107.36, 10,659.32 and 3,156.44

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Solution

The fourth proportional to 7,107.36, 10,659.32 and 3,156.44 is: 4,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.36 : 10,659.32 = 3,156.44 : x
  2. Step 2: Convert to fraction form
    7,107.36/10,659.32 = 3,156.44/x
  3. Step 3: Cross multiply
    7,107.36x = 10,659.32 × 3,156.44
  4. Step 4: Simplify right side
    7,107.36x = 33,645,504.02
  5. Step 5: Solve for x
    x = 33,645,504.02/7,107.36
  6. Step 6: Final answer
    x = 4,733.90

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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.