Home / 5,443.66-7,512.09-3,086.56

Finding the Fourth Proportional to 5,443.66, 7,512.09 and 3,086.56

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Solution

The fourth proportional to 5,443.66, 7,512.09 and 3,086.56 is: 4,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.66 : 7,512.09 = 3,086.56 : x
  2. Step 2: Convert to fraction form
    5,443.66/7,512.09 = 3,086.56/x
  3. Step 3: Cross multiply
    5,443.66x = 7,512.09 × 3,086.56
  4. Step 4: Simplify right side
    5,443.66x = 23,186,516.51
  5. Step 5: Solve for x
    x = 23,186,516.51/5,443.66
  6. Step 6: Final answer
    x = 4,259.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.