Home / 7,912.32-11,862.96-4,793.15

Finding the Fourth Proportional to 7,912.32, 11,862.96 and 4,793.15

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Solution

The fourth proportional to 7,912.32, 11,862.96 and 4,793.15 is: 7,186.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.32 : 11,862.96 = 4,793.15 : x
  2. Step 2: Convert to fraction form
    7,912.32/11,862.96 = 4,793.15/x
  3. Step 3: Cross multiply
    7,912.32x = 11,862.96 × 4,793.15
  4. Step 4: Simplify right side
    7,912.32x = 56,860,887.41
  5. Step 5: Solve for x
    x = 56,860,887.41/7,912.32
  6. Step 6: Final answer
    x = 7,186.37

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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.