Home / 4,611.05-6,919.27-1,689.56

Finding the Fourth Proportional to 4,611.05, 6,919.27 and 1,689.56

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Solution

The fourth proportional to 4,611.05, 6,919.27 and 1,689.56 is: 2,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.05 : 6,919.27 = 1,689.56 : x
  2. Step 2: Convert to fraction form
    4,611.05/6,919.27 = 1,689.56/x
  3. Step 3: Cross multiply
    4,611.05x = 6,919.27 × 1,689.56
  4. Step 4: Simplify right side
    4,611.05x = 11,690,483.00
  5. Step 5: Solve for x
    x = 11,690,483.00/4,611.05
  6. Step 6: Final answer
    x = 2,535.32

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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.