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Finding the Fourth Proportional to 7,017, 9,683.34 and 3,873.12

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Solution

The fourth proportional to 7,017, 9,683.34 and 3,873.12 is: 5,344.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017 : 9,683.34 = 3,873.12 : x
  2. Step 2: Convert to fraction form
    7,017/9,683.34 = 3,873.12/x
  3. Step 3: Cross multiply
    7,017x = 9,683.34 × 3,873.12
  4. Step 4: Simplify right side
    7,017x = 37,504,737.82
  5. Step 5: Solve for x
    x = 37,504,737.82/7,017
  6. Step 6: Final answer
    x = 5,344.84

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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.