Home / 7,681.32-11,512.22-3,293.64

Finding the Fourth Proportional to 7,681.32, 11,512.22 and 3,293.64

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Solution

The fourth proportional to 7,681.32, 11,512.22 and 3,293.64 is: 4,936.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.32 : 11,512.22 = 3,293.64 : x
  2. Step 2: Convert to fraction form
    7,681.32/11,512.22 = 3,293.64/x
  3. Step 3: Cross multiply
    7,681.32x = 11,512.22 × 3,293.64
  4. Step 4: Simplify right side
    7,681.32x = 37,917,108.28
  5. Step 5: Solve for x
    x = 37,917,108.28/7,681.32
  6. Step 6: Final answer
    x = 4,936.28

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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.