Home / 5,456.58-8,185.62-2,124.18

Finding the Fourth Proportional to 5,456.58, 8,185.62 and 2,124.18

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Solution

The fourth proportional to 5,456.58, 8,185.62 and 2,124.18 is: 3,186.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.58 : 8,185.62 = 2,124.18 : x
  2. Step 2: Convert to fraction form
    5,456.58/8,185.62 = 2,124.18/x
  3. Step 3: Cross multiply
    5,456.58x = 8,185.62 × 2,124.18
  4. Step 4: Simplify right side
    5,456.58x = 17,387,730.29
  5. Step 5: Solve for x
    x = 17,387,730.29/5,456.58
  6. Step 6: Final answer
    x = 3,186.56

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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.