Home / 5,456.24-8,188.44-2,125.02

Finding the Fourth Proportional to 5,456.24, 8,188.44 and 2,125.02

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Solution

The fourth proportional to 5,456.24, 8,188.44 and 2,125.02 is: 3,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.24 : 8,188.44 = 2,125.02 : x
  2. Step 2: Convert to fraction form
    5,456.24/8,188.44 = 2,125.02/x
  3. Step 3: Cross multiply
    5,456.24x = 8,188.44 × 2,125.02
  4. Step 4: Simplify right side
    5,456.24x = 17,400,598.77
  5. Step 5: Solve for x
    x = 17,400,598.77/5,456.24
  6. Step 6: Final answer
    x = 3,189.12

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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.