Home / 4,379.25-6,561.14-2,815.59

Finding the Fourth Proportional to 4,379.25, 6,561.14 and 2,815.59

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Solution

The fourth proportional to 4,379.25, 6,561.14 and 2,815.59 is: 4,218.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.25 : 6,561.14 = 2,815.59 : x
  2. Step 2: Convert to fraction form
    4,379.25/6,561.14 = 2,815.59/x
  3. Step 3: Cross multiply
    4,379.25x = 6,561.14 × 2,815.59
  4. Step 4: Simplify right side
    4,379.25x = 18,473,466.09
  5. Step 5: Solve for x
    x = 18,473,466.09/4,379.25
  6. Step 6: Final answer
    x = 4,218.41

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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.