Home / 4,542.14-6,816.10-1,620.38

Finding the Fourth Proportional to 4,542.14, 6,816.10 and 1,620.38

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Solution

The fourth proportional to 4,542.14, 6,816.10 and 1,620.38 is: 2,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,542.14 : 6,816.10 = 1,620.38 : x
  2. Step 2: Convert to fraction form
    4,542.14/6,816.10 = 1,620.38/x
  3. Step 3: Cross multiply
    4,542.14x = 6,816.10 × 1,620.38
  4. Step 4: Simplify right side
    4,542.14x = 11,044,672.12
  5. Step 5: Solve for x
    x = 11,044,672.12/4,542.14
  6. Step 6: Final answer
    x = 2,431.60

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1.5x scale

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.