Home / 6,720.48-10,080.66-1,654.66

Finding the Fourth Proportional to 6,720.48, 10,080.66 and 1,654.66

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Solution

The fourth proportional to 6,720.48, 10,080.66 and 1,654.66 is: 2,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.48 : 10,080.66 = 1,654.66 : x
  2. Step 2: Convert to fraction form
    6,720.48/10,080.66 = 1,654.66/x
  3. Step 3: Cross multiply
    6,720.48x = 10,080.66 × 1,654.66
  4. Step 4: Simplify right side
    6,720.48x = 16,680,064.88
  5. Step 5: Solve for x
    x = 16,680,064.88/6,720.48
  6. Step 6: Final answer
    x = 2,481.98

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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.