Home / 7,581.80-11,379.59-3,886.58

Finding the Fourth Proportional to 7,581.80, 11,379.59 and 3,886.58

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Solution

The fourth proportional to 7,581.80, 11,379.59 and 3,886.58 is: 5,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.80 : 11,379.59 = 3,886.58 : x
  2. Step 2: Convert to fraction form
    7,581.80/11,379.59 = 3,886.58/x
  3. Step 3: Cross multiply
    7,581.80x = 11,379.59 × 3,886.58
  4. Step 4: Simplify right side
    7,581.80x = 44,227,710.49
  5. Step 5: Solve for x
    x = 44,227,710.49/7,581.80
  6. Step 6: Final answer
    x = 5,833.40

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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.