Home / 4,686.68-7,033.14-3,128.44

Finding the Fourth Proportional to 4,686.68, 7,033.14 and 3,128.44

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Solution

The fourth proportional to 4,686.68, 7,033.14 and 3,128.44 is: 4,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.68 : 7,033.14 = 3,128.44 : x
  2. Step 2: Convert to fraction form
    4,686.68/7,033.14 = 3,128.44/x
  3. Step 3: Cross multiply
    4,686.68x = 7,033.14 × 3,128.44
  4. Step 4: Simplify right side
    4,686.68x = 22,002,756.50
  5. Step 5: Solve for x
    x = 22,002,756.50/4,686.68
  6. Step 6: Final answer
    x = 4,694.74

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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.