Home / 6,663.23-9,987.91-2,712.79

Finding the Fourth Proportional to 6,663.23, 9,987.91 and 2,712.79

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Solution

The fourth proportional to 6,663.23, 9,987.91 and 2,712.79 is: 4,066.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.23 : 9,987.91 = 2,712.79 : x
  2. Step 2: Convert to fraction form
    6,663.23/9,987.91 = 2,712.79/x
  3. Step 3: Cross multiply
    6,663.23x = 9,987.91 × 2,712.79
  4. Step 4: Simplify right side
    6,663.23x = 27,095,108.07
  5. Step 5: Solve for x
    x = 27,095,108.07/6,663.23
  6. Step 6: Final answer
    x = 4,066.36

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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.