Home / 4,163.10-6,242.46-3,689.40

Finding the Fourth Proportional to 4,163.10, 6,242.46 and 3,689.40

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Solution

The fourth proportional to 4,163.10, 6,242.46 and 3,689.40 is: 5,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.10 : 6,242.46 = 3,689.40 : x
  2. Step 2: Convert to fraction form
    4,163.10/6,242.46 = 3,689.40/x
  3. Step 3: Cross multiply
    4,163.10x = 6,242.46 × 3,689.40
  4. Step 4: Simplify right side
    4,163.10x = 23,030,931.92
  5. Step 5: Solve for x
    x = 23,030,931.92/4,163.10
  6. Step 6: Final answer
    x = 5,532.16

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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.