Home / 7,779.82-11,669.67-4,660.71

Finding the Fourth Proportional to 7,779.82, 11,669.67 and 4,660.71

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Solution

The fourth proportional to 7,779.82, 11,669.67 and 4,660.71 is: 6,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.82 : 11,669.67 = 4,660.71 : x
  2. Step 2: Convert to fraction form
    7,779.82/11,669.67 = 4,660.71/x
  3. Step 3: Cross multiply
    7,779.82x = 11,669.67 × 4,660.71
  4. Step 4: Simplify right side
    7,779.82x = 54,388,947.67
  5. Step 5: Solve for x
    x = 54,388,947.67/7,779.82
  6. Step 6: Final answer
    x = 6,991.03

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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.