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Finding the Fourth Proportional to 6,865.02, 9,473.36 and 3,880.68

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Solution

The fourth proportional to 6,865.02, 9,473.36 and 3,880.68 is: 5,355.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.02 : 9,473.36 = 3,880.68 : x
  2. Step 2: Convert to fraction form
    6,865.02/9,473.36 = 3,880.68/x
  3. Step 3: Cross multiply
    6,865.02x = 9,473.36 × 3,880.68
  4. Step 4: Simplify right side
    6,865.02x = 36,763,059.28
  5. Step 5: Solve for x
    x = 36,763,059.28/6,865.02
  6. Step 6: Final answer
    x = 5,355.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.