Home / 7,679.56-11,518.40-2,414.34

Finding the Fourth Proportional to 7,679.56, 11,518.40 and 2,414.34

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Solution

The fourth proportional to 7,679.56, 11,518.40 and 2,414.34 is: 3,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.56 : 11,518.40 = 2,414.34 : x
  2. Step 2: Convert to fraction form
    7,679.56/11,518.40 = 2,414.34/x
  3. Step 3: Cross multiply
    7,679.56x = 11,518.40 × 2,414.34
  4. Step 4: Simplify right side
    7,679.56x = 27,809,333.86
  5. Step 5: Solve for x
    x = 27,809,333.86/7,679.56
  6. Step 6: Final answer
    x = 3,621.21

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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.