Home / 7,726.67-11,591.96-2,180.06

Finding the Fourth Proportional to 7,726.67, 11,591.96 and 2,180.06

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Solution

The fourth proportional to 7,726.67, 11,591.96 and 2,180.06 is: 3,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.67 : 11,591.96 = 2,180.06 : x
  2. Step 2: Convert to fraction form
    7,726.67/11,591.96 = 2,180.06/x
  3. Step 3: Cross multiply
    7,726.67x = 11,591.96 × 2,180.06
  4. Step 4: Simplify right side
    7,726.67x = 25,271,168.32
  5. Step 5: Solve for x
    x = 25,271,168.32/7,726.67
  6. Step 6: Final answer
    x = 3,270.64

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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.