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Finding the Fourth Proportional to 5,865.39, 8,802.09 and 3,396.78

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Solution

The fourth proportional to 5,865.39, 8,802.09 and 3,396.78 is: 5,097.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.39 : 8,802.09 = 3,396.78 : x
  2. Step 2: Convert to fraction form
    5,865.39/8,802.09 = 3,396.78/x
  3. Step 3: Cross multiply
    5,865.39x = 8,802.09 × 3,396.78
  4. Step 4: Simplify right side
    5,865.39x = 29,898,763.27
  5. Step 5: Solve for x
    x = 29,898,763.27/5,865.39
  6. Step 6: Final answer
    x = 5,097.49

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1.5x scale

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.