Home / 5,328.34-7,990.11-2,039.13

Finding the Fourth Proportional to 5,328.34, 7,990.11 and 2,039.13

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Solution

The fourth proportional to 5,328.34, 7,990.11 and 2,039.13 is: 3,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.34 : 7,990.11 = 2,039.13 : x
  2. Step 2: Convert to fraction form
    5,328.34/7,990.11 = 2,039.13/x
  3. Step 3: Cross multiply
    5,328.34x = 7,990.11 × 2,039.13
  4. Step 4: Simplify right side
    5,328.34x = 16,292,873.00
  5. Step 5: Solve for x
    x = 16,292,873.00/5,328.34
  6. Step 6: Final answer
    x = 3,057.78

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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.