Home / 6,580.48-9,872.27-2,138.13

Finding the Fourth Proportional to 6,580.48, 9,872.27 and 2,138.13

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Solution

The fourth proportional to 6,580.48, 9,872.27 and 2,138.13 is: 3,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580.48 : 9,872.27 = 2,138.13 : x
  2. Step 2: Convert to fraction form
    6,580.48/9,872.27 = 2,138.13/x
  3. Step 3: Cross multiply
    6,580.48x = 9,872.27 × 2,138.13
  4. Step 4: Simplify right side
    6,580.48x = 21,108,196.66
  5. Step 5: Solve for x
    x = 21,108,196.66/6,580.48
  6. Step 6: Final answer
    x = 3,207.70

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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.