Home / 5,327.56-7,989.72-1,864

Finding the Fourth Proportional to 5,327.56, 7,989.72 and 1,864

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Solution

The fourth proportional to 5,327.56, 7,989.72 and 1,864 is: 2,795.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.56 : 7,989.72 = 1,864 : x
  2. Step 2: Convert to fraction form
    5,327.56/7,989.72 = 1,864/x
  3. Step 3: Cross multiply
    5,327.56x = 7,989.72 × 1,864
  4. Step 4: Simplify right side
    5,327.56x = 14,892,838.08
  5. Step 5: Solve for x
    x = 14,892,838.08/5,327.56
  6. Step 6: Final answer
    x = 2,795.43

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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.