Home / 8,254.29-12,381.30-3,323.81

Finding the Fourth Proportional to 8,254.29, 12,381.30 and 3,323.81

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Solution

The fourth proportional to 8,254.29, 12,381.30 and 3,323.81 is: 4,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.29 : 12,381.30 = 3,323.81 : x
  2. Step 2: Convert to fraction form
    8,254.29/12,381.30 = 3,323.81/x
  3. Step 3: Cross multiply
    8,254.29x = 12,381.30 × 3,323.81
  4. Step 4: Simplify right side
    8,254.29x = 41,153,026.85
  5. Step 5: Solve for x
    x = 41,153,026.85/8,254.29
  6. Step 6: Final answer
    x = 4,985.65

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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.