Home / 5,194.72-7,779.66-2,851.12

Finding the Fourth Proportional to 5,194.72, 7,779.66 and 2,851.12

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Solution

The fourth proportional to 5,194.72, 7,779.66 and 2,851.12 is: 4,269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.72 : 7,779.66 = 2,851.12 : x
  2. Step 2: Convert to fraction form
    5,194.72/7,779.66 = 2,851.12/x
  3. Step 3: Cross multiply
    5,194.72x = 7,779.66 × 2,851.12
  4. Step 4: Simplify right side
    5,194.72x = 22,180,744.22
  5. Step 5: Solve for x
    x = 22,180,744.22/5,194.72
  6. Step 6: Final answer
    x = 4,269.86

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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.