Home / 4,686.45-7,029.66-2,750.94

Finding the Fourth Proportional to 4,686.45, 7,029.66 and 2,750.94

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Solution

The fourth proportional to 4,686.45, 7,029.66 and 2,750.94 is: 4,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.45 : 7,029.66 = 2,750.94 : x
  2. Step 2: Convert to fraction form
    4,686.45/7,029.66 = 2,750.94/x
  3. Step 3: Cross multiply
    4,686.45x = 7,029.66 × 2,750.94
  4. Step 4: Simplify right side
    4,686.45x = 19,338,172.88
  5. Step 5: Solve for x
    x = 19,338,172.88/4,686.45
  6. Step 6: Final answer
    x = 4,126.40

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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.