Home / 7,779.22-11,668.82-1,935.83

Finding the Fourth Proportional to 7,779.22, 11,668.82 and 1,935.83

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Solution

The fourth proportional to 7,779.22, 11,668.82 and 1,935.83 is: 2,903.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.22 : 11,668.82 = 1,935.83 : x
  2. Step 2: Convert to fraction form
    7,779.22/11,668.82 = 1,935.83/x
  3. Step 3: Cross multiply
    7,779.22x = 11,668.82 × 1,935.83
  4. Step 4: Simplify right side
    7,779.22x = 22,588,871.31
  5. Step 5: Solve for x
    x = 22,588,871.31/7,779.22
  6. Step 6: Final answer
    x = 2,903.74

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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.