Home / 4,542.64-6,811.41-1,579.72

Finding the Fourth Proportional to 4,542.64, 6,811.41 and 1,579.72

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Solution

The fourth proportional to 4,542.64, 6,811.41 and 1,579.72 is: 2,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,542.64 : 6,811.41 = 1,579.72 : x
  2. Step 2: Convert to fraction form
    4,542.64/6,811.41 = 1,579.72/x
  3. Step 3: Cross multiply
    4,542.64x = 6,811.41 × 1,579.72
  4. Step 4: Simplify right side
    4,542.64x = 10,760,120.61
  5. Step 5: Solve for x
    x = 10,760,120.61/4,542.64
  6. Step 6: Final answer
    x = 2,368.69

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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.