Home / 7,664.40-11,496.60-2,734.20

Finding the Fourth Proportional to 7,664.40, 11,496.60 and 2,734.20

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Solution

The fourth proportional to 7,664.40, 11,496.60 and 2,734.20 is: 4,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.40 : 11,496.60 = 2,734.20 : x
  2. Step 2: Convert to fraction form
    7,664.40/11,496.60 = 2,734.20/x
  3. Step 3: Cross multiply
    7,664.40x = 11,496.60 × 2,734.20
  4. Step 4: Simplify right side
    7,664.40x = 31,434,003.72
  5. Step 5: Solve for x
    x = 31,434,003.72/7,664.40
  6. Step 6: Final answer
    x = 4,101.30

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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.