Home / 6,865.64-9,474.58-3,721.88

Finding the Fourth Proportional to 6,865.64, 9,474.58 and 3,721.88

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Solution

The fourth proportional to 6,865.64, 9,474.58 and 3,721.88 is: 5,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.64 : 9,474.58 = 3,721.88 : x
  2. Step 2: Convert to fraction form
    6,865.64/9,474.58 = 3,721.88/x
  3. Step 3: Cross multiply
    6,865.64x = 9,474.58 × 3,721.88
  4. Step 4: Simplify right side
    6,865.64x = 35,263,249.81
  5. Step 5: Solve for x
    x = 35,263,249.81/6,865.64
  6. Step 6: Final answer
    x = 5,136.19

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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.