Home / 7,739.06-11,607.28-2,191.14

Finding the Fourth Proportional to 7,739.06, 11,607.28 and 2,191.14

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Solution

The fourth proportional to 7,739.06, 11,607.28 and 2,191.14 is: 3,286.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.06 : 11,607.28 = 2,191.14 : x
  2. Step 2: Convert to fraction form
    7,739.06/11,607.28 = 2,191.14/x
  3. Step 3: Cross multiply
    7,739.06x = 11,607.28 × 2,191.14
  4. Step 4: Simplify right side
    7,739.06x = 25,433,175.50
  5. Step 5: Solve for x
    x = 25,433,175.50/7,739.06
  6. Step 6: Final answer
    x = 3,286.34

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1.5x scale

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.