Home / 5,455.04-8,182.55-1,992.29

Finding the Fourth Proportional to 5,455.04, 8,182.55 and 1,992.29

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Solution

The fourth proportional to 5,455.04, 8,182.55 and 1,992.29 is: 2,988.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.04 : 8,182.55 = 1,992.29 : x
  2. Step 2: Convert to fraction form
    5,455.04/8,182.55 = 1,992.29/x
  3. Step 3: Cross multiply
    5,455.04x = 8,182.55 × 1,992.29
  4. Step 4: Simplify right side
    5,455.04x = 16,301,961.67
  5. Step 5: Solve for x
    x = 16,301,961.67/5,455.04
  6. Step 6: Final answer
    x = 2,988.42

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Similar ratio
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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.