Home / 5,456.24-8,185.08-1,992.32

Finding the Fourth Proportional to 5,456.24, 8,185.08 and 1,992.32

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Solution

The fourth proportional to 5,456.24, 8,185.08 and 1,992.32 is: 2,988.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.24 : 8,185.08 = 1,992.32 : x
  2. Step 2: Convert to fraction form
    5,456.24/8,185.08 = 1,992.32/x
  3. Step 3: Cross multiply
    5,456.24x = 8,185.08 × 1,992.32
  4. Step 4: Simplify right side
    5,456.24x = 16,307,298.59
  5. Step 5: Solve for x
    x = 16,307,298.59/5,456.24
  6. Step 6: Final answer
    x = 2,988.74

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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.