Home / 6,666.48-9,201.60-3,872.52

Finding the Fourth Proportional to 6,666.48, 9,201.60 and 3,872.52

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Solution

The fourth proportional to 6,666.48, 9,201.60 and 3,872.52 is: 5,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.48 : 9,201.60 = 3,872.52 : x
  2. Step 2: Convert to fraction form
    6,666.48/9,201.60 = 3,872.52/x
  3. Step 3: Cross multiply
    6,666.48x = 9,201.60 × 3,872.52
  4. Step 4: Simplify right side
    6,666.48x = 35,633,380.03
  5. Step 5: Solve for x
    x = 35,633,380.03/6,666.48
  6. Step 6: Final answer
    x = 5,345.16

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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.