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Finding the Fourth Proportional to 7,017, 9,683.46 and 3,873.39

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Solution

The fourth proportional to 7,017, 9,683.46 and 3,873.39 is: 5,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017 : 9,683.46 = 3,873.39 : x
  2. Step 2: Convert to fraction form
    7,017/9,683.46 = 3,873.39/x
  3. Step 3: Cross multiply
    7,017x = 9,683.46 × 3,873.39
  4. Step 4: Simplify right side
    7,017x = 37,507,817.13
  5. Step 5: Solve for x
    x = 37,507,817.13/7,017
  6. Step 6: Final answer
    x = 5,345.28

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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.