Home / 7,865.62-11,798.46-2,319.03

Finding the Fourth Proportional to 7,865.62, 11,798.46 and 2,319.03

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Solution

The fourth proportional to 7,865.62, 11,798.46 and 2,319.03 is: 3,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.62 : 11,798.46 = 2,319.03 : x
  2. Step 2: Convert to fraction form
    7,865.62/11,798.46 = 2,319.03/x
  3. Step 3: Cross multiply
    7,865.62x = 11,798.46 × 2,319.03
  4. Step 4: Simplify right side
    7,865.62x = 27,360,982.69
  5. Step 5: Solve for x
    x = 27,360,982.69/7,865.62
  6. Step 6: Final answer
    x = 3,478.55

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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.