Home / 7,905.32-10,908.78-4,367.96

Finding the Fourth Proportional to 7,905.32, 10,908.78 and 4,367.96

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Solution

The fourth proportional to 7,905.32, 10,908.78 and 4,367.96 is: 6,027.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.32 : 10,908.78 = 4,367.96 : x
  2. Step 2: Convert to fraction form
    7,905.32/10,908.78 = 4,367.96/x
  3. Step 3: Cross multiply
    7,905.32x = 10,908.78 × 4,367.96
  4. Step 4: Simplify right side
    7,905.32x = 47,649,114.69
  5. Step 5: Solve for x
    x = 47,649,114.69/7,905.32
  6. Step 6: Final answer
    x = 6,027.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.