Home / 6,973.79-9,620.69-4,141.28

Finding the Fourth Proportional to 6,973.79, 9,620.69 and 4,141.28

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Solution

The fourth proportional to 6,973.79, 9,620.69 and 4,141.28 is: 5,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,973.79 : 9,620.69 = 4,141.28 : x
  2. Step 2: Convert to fraction form
    6,973.79/9,620.69 = 4,141.28/x
  3. Step 3: Cross multiply
    6,973.79x = 9,620.69 × 4,141.28
  4. Step 4: Simplify right side
    6,973.79x = 39,841,974.43
  5. Step 5: Solve for x
    x = 39,841,974.43/6,973.79
  6. Step 6: Final answer
    x = 5,713.11

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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.