Home / 8,761.23-13,140.45-2,519.82

Finding the Fourth Proportional to 8,761.23, 13,140.45 and 2,519.82

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Solution

The fourth proportional to 8,761.23, 13,140.45 and 2,519.82 is: 3,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.23 : 13,140.45 = 2,519.82 : x
  2. Step 2: Convert to fraction form
    8,761.23/13,140.45 = 2,519.82/x
  3. Step 3: Cross multiply
    8,761.23x = 13,140.45 × 2,519.82
  4. Step 4: Simplify right side
    8,761.23x = 33,111,568.72
  5. Step 5: Solve for x
    x = 33,111,568.72/8,761.23
  6. Step 6: Final answer
    x = 3,779.33

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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.