Home / 6,753.12-10,129.68-1,822.75

Finding the Fourth Proportional to 6,753.12, 10,129.68 and 1,822.75

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Solution

The fourth proportional to 6,753.12, 10,129.68 and 1,822.75 is: 2,734.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,753.12 : 10,129.68 = 1,822.75 : x
  2. Step 2: Convert to fraction form
    6,753.12/10,129.68 = 1,822.75/x
  3. Step 3: Cross multiply
    6,753.12x = 10,129.68 × 1,822.75
  4. Step 4: Simplify right side
    6,753.12x = 18,463,911.00
  5. Step 5: Solve for x
    x = 18,463,911.00/6,753.12
  6. Step 6: Final answer
    x = 2,734.13

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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.