Home / 7,614.32-11,415.72-3,914.96

Finding the Fourth Proportional to 7,614.32, 11,415.72 and 3,914.96

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Solution

The fourth proportional to 7,614.32, 11,415.72 and 3,914.96 is: 5,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.32 : 11,415.72 = 3,914.96 : x
  2. Step 2: Convert to fraction form
    7,614.32/11,415.72 = 3,914.96/x
  3. Step 3: Cross multiply
    7,614.32x = 11,415.72 × 3,914.96
  4. Step 4: Simplify right side
    7,614.32x = 44,692,087.17
  5. Step 5: Solve for x
    x = 44,692,087.17/7,614.32
  6. Step 6: Final answer
    x = 5,869.48

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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.