Home / 7,320.30-10,102.04-3,963.11

Finding the Fourth Proportional to 7,320.30, 10,102.04 and 3,963.11

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Solution

The fourth proportional to 7,320.30, 10,102.04 and 3,963.11 is: 5,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.30 : 10,102.04 = 3,963.11 : x
  2. Step 2: Convert to fraction form
    7,320.30/10,102.04 = 3,963.11/x
  3. Step 3: Cross multiply
    7,320.30x = 10,102.04 × 3,963.11
  4. Step 4: Simplify right side
    7,320.30x = 40,035,495.74
  5. Step 5: Solve for x
    x = 40,035,495.74/7,320.30
  6. Step 6: Final answer
    x = 5,469.11

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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.