Home / 6,486.16-9,721.68-2,976.54

Finding the Fourth Proportional to 6,486.16, 9,721.68 and 2,976.54

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Solution

The fourth proportional to 6,486.16, 9,721.68 and 2,976.54 is: 4,461.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.16 : 9,721.68 = 2,976.54 : x
  2. Step 2: Convert to fraction form
    6,486.16/9,721.68 = 2,976.54/x
  3. Step 3: Cross multiply
    6,486.16x = 9,721.68 × 2,976.54
  4. Step 4: Simplify right side
    6,486.16x = 28,936,995.26
  5. Step 5: Solve for x
    x = 28,936,995.26/6,486.16
  6. Step 6: Final answer
    x = 4,461.34

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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.