Home / 6,639.26-9,956.56-1,958.02

Finding the Fourth Proportional to 6,639.26, 9,956.56 and 1,958.02

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Solution

The fourth proportional to 6,639.26, 9,956.56 and 1,958.02 is: 2,936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.26 : 9,956.56 = 1,958.02 : x
  2. Step 2: Convert to fraction form
    6,639.26/9,956.56 = 1,958.02/x
  3. Step 3: Cross multiply
    6,639.26x = 9,956.56 × 1,958.02
  4. Step 4: Simplify right side
    6,639.26x = 19,495,133.82
  5. Step 5: Solve for x
    x = 19,495,133.82/6,639.26
  6. Step 6: Final answer
    x = 2,936.34

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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.