Home / 4,679.14-7,017.68-1,905.08

Finding the Fourth Proportional to 4,679.14, 7,017.68 and 1,905.08

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Solution

The fourth proportional to 4,679.14, 7,017.68 and 1,905.08 is: 2,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.14 : 7,017.68 = 1,905.08 : x
  2. Step 2: Convert to fraction form
    4,679.14/7,017.68 = 1,905.08/x
  3. Step 3: Cross multiply
    4,679.14x = 7,017.68 × 1,905.08
  4. Step 4: Simplify right side
    4,679.14x = 13,369,241.81
  5. Step 5: Solve for x
    x = 13,369,241.81/4,679.14
  6. Step 6: Final answer
    x = 2,857.20

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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.