Home / 5,276.97-7,918.16-2,159.28

Finding the Fourth Proportional to 5,276.97, 7,918.16 and 2,159.28

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Solution

The fourth proportional to 5,276.97, 7,918.16 and 2,159.28 is: 3,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.97 : 7,918.16 = 2,159.28 : x
  2. Step 2: Convert to fraction form
    5,276.97/7,918.16 = 2,159.28/x
  3. Step 3: Cross multiply
    5,276.97x = 7,918.16 × 2,159.28
  4. Step 4: Simplify right side
    5,276.97x = 17,097,513.73
  5. Step 5: Solve for x
    x = 17,097,513.73/5,276.97
  6. Step 6: Final answer
    x = 3,240.02

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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.