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Finding the Fourth Proportional to 6,802.40, 10,195.08 and 3,682.40

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Solution

The fourth proportional to 6,802.40, 10,195.08 and 3,682.40 is: 5,518.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,802.40 : 10,195.08 = 3,682.40 : x
  2. Step 2: Convert to fraction form
    6,802.40/10,195.08 = 3,682.40/x
  3. Step 3: Cross multiply
    6,802.40x = 10,195.08 × 3,682.40
  4. Step 4: Simplify right side
    6,802.40x = 37,542,362.59
  5. Step 5: Solve for x
    x = 37,542,362.59/6,802.40
  6. Step 6: Final answer
    x = 5,518.99

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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.