Home / 8,927.21-13,381.52-2,999.70

Finding the Fourth Proportional to 8,927.21, 13,381.52 and 2,999.70

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Solution

The fourth proportional to 8,927.21, 13,381.52 and 2,999.70 is: 4,496.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.21 : 13,381.52 = 2,999.70 : x
  2. Step 2: Convert to fraction form
    8,927.21/13,381.52 = 2,999.70/x
  3. Step 3: Cross multiply
    8,927.21x = 13,381.52 × 2,999.70
  4. Step 4: Simplify right side
    8,927.21x = 40,140,545.54
  5. Step 5: Solve for x
    x = 40,140,545.54/8,927.21
  6. Step 6: Final answer
    x = 4,496.43

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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.