Home / 8,539.24-11,779.67-6,947.66

Finding the Fourth Proportional to 8,539.24, 11,779.67 and 6,947.66

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Solution

The fourth proportional to 8,539.24, 11,779.67 and 6,947.66 is: 9,584.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.24 : 11,779.67 = 6,947.66 : x
  2. Step 2: Convert to fraction form
    8,539.24/11,779.67 = 6,947.66/x
  3. Step 3: Cross multiply
    8,539.24x = 11,779.67 × 6,947.66
  4. Step 4: Simplify right side
    8,539.24x = 81,841,107.33
  5. Step 5: Solve for x
    x = 81,841,107.33/8,539.24
  6. Step 6: Final answer
    x = 9,584.13

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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.