Home / 5,205.27-7,181.25-3,316.51

Finding the Fourth Proportional to 5,205.27, 7,181.25 and 3,316.51

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Solution

The fourth proportional to 5,205.27, 7,181.25 and 3,316.51 is: 4,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.27 : 7,181.25 = 3,316.51 : x
  2. Step 2: Convert to fraction form
    5,205.27/7,181.25 = 3,316.51/x
  3. Step 3: Cross multiply
    5,205.27x = 7,181.25 × 3,316.51
  4. Step 4: Simplify right side
    5,205.27x = 23,816,670.85
  5. Step 5: Solve for x
    x = 23,816,670.85/5,205.27
  6. Step 6: Final answer
    x = 4,575.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.