Home / 7,149.33-10,730.70-3,865.01

Finding the Fourth Proportional to 7,149.33, 10,730.70 and 3,865.01

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Solution

The fourth proportional to 7,149.33, 10,730.70 and 3,865.01 is: 5,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.33 : 10,730.70 = 3,865.01 : x
  2. Step 2: Convert to fraction form
    7,149.33/10,730.70 = 3,865.01/x
  3. Step 3: Cross multiply
    7,149.33x = 10,730.70 × 3,865.01
  4. Step 4: Simplify right side
    7,149.33x = 41,474,209.15
  5. Step 5: Solve for x
    x = 41,474,209.15/7,149.33
  6. Step 6: Final answer
    x = 5,801.13

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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.