Home / 7,103.09-9,802.70-3,959.27

Finding the Fourth Proportional to 7,103.09, 9,802.70 and 3,959.27

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Solution

The fourth proportional to 7,103.09, 9,802.70 and 3,959.27 is: 5,464.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.09 : 9,802.70 = 3,959.27 : x
  2. Step 2: Convert to fraction form
    7,103.09/9,802.70 = 3,959.27/x
  3. Step 3: Cross multiply
    7,103.09x = 9,802.70 × 3,959.27
  4. Step 4: Simplify right side
    7,103.09x = 38,811,536.03
  5. Step 5: Solve for x
    x = 38,811,536.03/7,103.09
  6. Step 6: Final answer
    x = 5,464.04

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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.