Home / 8,958.21-13,437.30-3,114.81

Finding the Fourth Proportional to 8,958.21, 13,437.30 and 3,114.81

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Solution

The fourth proportional to 8,958.21, 13,437.30 and 3,114.81 is: 4,672.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.21 : 13,437.30 = 3,114.81 : x
  2. Step 2: Convert to fraction form
    8,958.21/13,437.30 = 3,114.81/x
  3. Step 3: Cross multiply
    8,958.21x = 13,437.30 × 3,114.81
  4. Step 4: Simplify right side
    8,958.21x = 41,854,636.41
  5. Step 5: Solve for x
    x = 41,854,636.41/8,958.21
  6. Step 6: Final answer
    x = 4,672.21

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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.