Home / 5,207.10-7,185.81-2,849.23

Finding the Fourth Proportional to 5,207.10, 7,185.81 and 2,849.23

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Solution

The fourth proportional to 5,207.10, 7,185.81 and 2,849.23 is: 3,931.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.10 : 7,185.81 = 2,849.23 : x
  2. Step 2: Convert to fraction form
    5,207.10/7,185.81 = 2,849.23/x
  3. Step 3: Cross multiply
    5,207.10x = 7,185.81 × 2,849.23
  4. Step 4: Simplify right side
    5,207.10x = 20,474,025.43
  5. Step 5: Solve for x
    x = 20,474,025.43/5,207.10
  6. Step 6: Final answer
    x = 3,931.94

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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.