Home / 6,887.28-10,318.59-3,922.53

Finding the Fourth Proportional to 6,887.28, 10,318.59 and 3,922.53

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Solution

The fourth proportional to 6,887.28, 10,318.59 and 3,922.53 is: 5,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.28 : 10,318.59 = 3,922.53 : x
  2. Step 2: Convert to fraction form
    6,887.28/10,318.59 = 3,922.53/x
  3. Step 3: Cross multiply
    6,887.28x = 10,318.59 × 3,922.53
  4. Step 4: Simplify right side
    6,887.28x = 40,474,978.83
  5. Step 5: Solve for x
    x = 40,474,978.83/6,887.28
  6. Step 6: Final answer
    x = 5,876.77

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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.