Home / 8,254.44-12,381.84-2,989.89

Finding the Fourth Proportional to 8,254.44, 12,381.84 and 2,989.89

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Solution

The fourth proportional to 8,254.44, 12,381.84 and 2,989.89 is: 4,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.44 : 12,381.84 = 2,989.89 : x
  2. Step 2: Convert to fraction form
    8,254.44/12,381.84 = 2,989.89/x
  3. Step 3: Cross multiply
    8,254.44x = 12,381.84 × 2,989.89
  4. Step 4: Simplify right side
    8,254.44x = 37,020,339.60
  5. Step 5: Solve for x
    x = 37,020,339.60/8,254.44
  6. Step 6: Final answer
    x = 4,484.90

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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.