Home / 4,542.52-6,814.36-1,621.12

Finding the Fourth Proportional to 4,542.52, 6,814.36 and 1,621.12

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Solution

The fourth proportional to 4,542.52, 6,814.36 and 1,621.12 is: 2,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,542.52 : 6,814.36 = 1,621.12 : x
  2. Step 2: Convert to fraction form
    4,542.52/6,814.36 = 1,621.12/x
  3. Step 3: Cross multiply
    4,542.52x = 6,814.36 × 1,621.12
  4. Step 4: Simplify right side
    4,542.52x = 11,046,895.28
  5. Step 5: Solve for x
    x = 11,046,895.28/4,542.52
  6. Step 6: Final answer
    x = 2,431.89

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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.