Home / 4,615.68-6,921.90-3,689.04

Finding the Fourth Proportional to 4,615.68, 6,921.90 and 3,689.04

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Solution

The fourth proportional to 4,615.68, 6,921.90 and 3,689.04 is: 5,532.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.68 : 6,921.90 = 3,689.04 : x
  2. Step 2: Convert to fraction form
    4,615.68/6,921.90 = 3,689.04/x
  3. Step 3: Cross multiply
    4,615.68x = 6,921.90 × 3,689.04
  4. Step 4: Simplify right side
    4,615.68x = 25,535,165.98
  5. Step 5: Solve for x
    x = 25,535,165.98/4,615.68
  6. Step 6: Final answer
    x = 5,532.27

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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.