Home / 6,918.32-10,361.84-5,347.28

Finding the Fourth Proportional to 6,918.32, 10,361.84 and 5,347.28

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Solution

The fourth proportional to 6,918.32, 10,361.84 and 5,347.28 is: 8,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.32 : 10,361.84 = 5,347.28 : x
  2. Step 2: Convert to fraction form
    6,918.32/10,361.84 = 5,347.28/x
  3. Step 3: Cross multiply
    6,918.32x = 10,361.84 × 5,347.28
  4. Step 4: Simplify right side
    6,918.32x = 55,407,659.80
  5. Step 5: Solve for x
    x = 55,407,659.80/6,918.32
  6. Step 6: Final answer
    x = 8,008.83

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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.