Home / 4,187.94-5,779.98-2,615.22

Finding the Fourth Proportional to 4,187.94, 5,779.98 and 2,615.22

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Solution

The fourth proportional to 4,187.94, 5,779.98 and 2,615.22 is: 3,609.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.94 : 5,779.98 = 2,615.22 : x
  2. Step 2: Convert to fraction form
    4,187.94/5,779.98 = 2,615.22/x
  3. Step 3: Cross multiply
    4,187.94x = 5,779.98 × 2,615.22
  4. Step 4: Simplify right side
    4,187.94x = 15,115,919.30
  5. Step 5: Solve for x
    x = 15,115,919.30/4,187.94
  6. Step 6: Final answer
    x = 3,609.39

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Double scale
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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.