Home / 5,456.24-8,185.10-2,169.68

Finding the Fourth Proportional to 5,456.24, 8,185.10 and 2,169.68

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Solution

The fourth proportional to 5,456.24, 8,185.10 and 2,169.68 is: 3,254.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.24 : 8,185.10 = 2,169.68 : x
  2. Step 2: Convert to fraction form
    5,456.24/8,185.10 = 2,169.68/x
  3. Step 3: Cross multiply
    5,456.24x = 8,185.10 × 2,169.68
  4. Step 4: Simplify right side
    5,456.24x = 17,759,047.77
  5. Step 5: Solve for x
    x = 17,759,047.77/5,456.24
  6. Step 6: Final answer
    x = 3,254.81

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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.