Home / 8,871.26-13,315.14-4,491.82

Finding the Fourth Proportional to 8,871.26, 13,315.14 and 4,491.82

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Solution

The fourth proportional to 8,871.26, 13,315.14 and 4,491.82 is: 6,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.26 : 13,315.14 = 4,491.82 : x
  2. Step 2: Convert to fraction form
    8,871.26/13,315.14 = 4,491.82/x
  3. Step 3: Cross multiply
    8,871.26x = 13,315.14 × 4,491.82
  4. Step 4: Simplify right side
    8,871.26x = 59,809,212.15
  5. Step 5: Solve for x
    x = 59,809,212.15/8,871.26
  6. Step 6: Final answer
    x = 6,741.91

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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.