Home / 4,685.05-7,027.99-1,911.92

Finding the Fourth Proportional to 4,685.05, 7,027.99 and 1,911.92

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Solution

The fourth proportional to 4,685.05, 7,027.99 and 1,911.92 is: 2,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.05 : 7,027.99 = 1,911.92 : x
  2. Step 2: Convert to fraction form
    4,685.05/7,027.99 = 1,911.92/x
  3. Step 3: Cross multiply
    4,685.05x = 7,027.99 × 1,911.92
  4. Step 4: Simplify right side
    4,685.05x = 13,436,954.64
  5. Step 5: Solve for x
    x = 13,436,954.64/4,685.05
  6. Step 6: Final answer
    x = 2,868.05

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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.