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Finding the Fourth Proportional to 6,802.19, 10,202.13 and 3,103.55

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Solution

The fourth proportional to 6,802.19, 10,202.13 and 3,103.55 is: 4,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,802.19 : 10,202.13 = 3,103.55 : x
  2. Step 2: Convert to fraction form
    6,802.19/10,202.13 = 3,103.55/x
  3. Step 3: Cross multiply
    6,802.19x = 10,202.13 × 3,103.55
  4. Step 4: Simplify right side
    6,802.19x = 31,662,857.71
  5. Step 5: Solve for x
    x = 31,662,857.71/6,802.19
  6. Step 6: Final answer
    x = 4,654.80

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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.