Home / 7,956.90-11,935.35-2,114.10

Finding the Fourth Proportional to 7,956.90, 11,935.35 and 2,114.10

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Solution

The fourth proportional to 7,956.90, 11,935.35 and 2,114.10 is: 3,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.90 : 11,935.35 = 2,114.10 : x
  2. Step 2: Convert to fraction form
    7,956.90/11,935.35 = 2,114.10/x
  3. Step 3: Cross multiply
    7,956.90x = 11,935.35 × 2,114.10
  4. Step 4: Simplify right side
    7,956.90x = 25,232,523.44
  5. Step 5: Solve for x
    x = 25,232,523.44/7,956.90
  6. Step 6: Final answer
    x = 3,171.15

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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.