Home / 6,318.24-8,720.91-3,666.50

Finding the Fourth Proportional to 6,318.24, 8,720.91 and 3,666.50

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Solution

The fourth proportional to 6,318.24, 8,720.91 and 3,666.50 is: 5,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.24 : 8,720.91 = 3,666.50 : x
  2. Step 2: Convert to fraction form
    6,318.24/8,720.91 = 3,666.50/x
  3. Step 3: Cross multiply
    6,318.24x = 8,720.91 × 3,666.50
  4. Step 4: Simplify right side
    6,318.24x = 31,975,198.18
  5. Step 5: Solve for x
    x = 31,975,198.18/6,318.24
  6. Step 6: Final answer
    x = 5,060.78

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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.