Home / 7,561.25-11,341.26-4,779.81

Finding the Fourth Proportional to 7,561.25, 11,341.26 and 4,779.81

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Solution

The fourth proportional to 7,561.25, 11,341.26 and 4,779.81 is: 7,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.25 : 11,341.26 = 4,779.81 : x
  2. Step 2: Convert to fraction form
    7,561.25/11,341.26 = 4,779.81/x
  3. Step 3: Cross multiply
    7,561.25x = 11,341.26 × 4,779.81
  4. Step 4: Simplify right side
    7,561.25x = 54,209,067.96
  5. Step 5: Solve for x
    x = 54,209,067.96/7,561.25
  6. Step 6: Final answer
    x = 7,169.33

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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.