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Finding the Fourth Proportional to 6,683.16, 10,018.80 and 3,560.88

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Solution

The fourth proportional to 6,683.16, 10,018.80 and 3,560.88 is: 5,338.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,683.16 : 10,018.80 = 3,560.88 : x
  2. Step 2: Convert to fraction form
    6,683.16/10,018.80 = 3,560.88/x
  3. Step 3: Cross multiply
    6,683.16x = 10,018.80 × 3,560.88
  4. Step 4: Simplify right side
    6,683.16x = 35,675,744.54
  5. Step 5: Solve for x
    x = 35,675,744.54/6,683.16
  6. Step 6: Final answer
    x = 5,338.16

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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.