Home / 6,580.23-9,872.18-3,660.59

Finding the Fourth Proportional to 6,580.23, 9,872.18 and 3,660.59

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Solution

The fourth proportional to 6,580.23, 9,872.18 and 3,660.59 is: 5,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580.23 : 9,872.18 = 3,660.59 : x
  2. Step 2: Convert to fraction form
    6,580.23/9,872.18 = 3,660.59/x
  3. Step 3: Cross multiply
    6,580.23x = 9,872.18 × 3,660.59
  4. Step 4: Simplify right side
    6,580.23x = 36,137,935.72
  5. Step 5: Solve for x
    x = 36,137,935.72/6,580.23
  6. Step 6: Final answer
    x = 5,491.90

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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.