Home / 4,542.88-6,814.38-1,621.36

Finding the Fourth Proportional to 4,542.88, 6,814.38 and 1,621.36

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Solution

The fourth proportional to 4,542.88, 6,814.38 and 1,621.36 is: 2,432.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,542.88 : 6,814.38 = 1,621.36 : x
  2. Step 2: Convert to fraction form
    4,542.88/6,814.38 = 1,621.36/x
  3. Step 3: Cross multiply
    4,542.88x = 6,814.38 × 1,621.36
  4. Step 4: Simplify right side
    4,542.88x = 11,048,563.16
  5. Step 5: Solve for x
    x = 11,048,563.16/4,542.88
  6. Step 6: Final answer
    x = 2,432.06

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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.