Home / 5,106.88-7,660.26-1,820.08

Finding the Fourth Proportional to 5,106.88, 7,660.26 and 1,820.08

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Solution

The fourth proportional to 5,106.88, 7,660.26 and 1,820.08 is: 2,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.88 : 7,660.26 = 1,820.08 : x
  2. Step 2: Convert to fraction form
    5,106.88/7,660.26 = 1,820.08/x
  3. Step 3: Cross multiply
    5,106.88x = 7,660.26 × 1,820.08
  4. Step 4: Simplify right side
    5,106.88x = 13,942,286.02
  5. Step 5: Solve for x
    x = 13,942,286.02/5,106.88
  6. Step 6: Final answer
    x = 2,730.10

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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.