Home / 6,809.24-10,211.70-2,129.06

Finding the Fourth Proportional to 6,809.24, 10,211.70 and 2,129.06

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Solution

The fourth proportional to 6,809.24, 10,211.70 and 2,129.06 is: 3,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.24 : 10,211.70 = 2,129.06 : x
  2. Step 2: Convert to fraction form
    6,809.24/10,211.70 = 2,129.06/x
  3. Step 3: Cross multiply
    6,809.24x = 10,211.70 × 2,129.06
  4. Step 4: Simplify right side
    6,809.24x = 21,741,322.00
  5. Step 5: Solve for x
    x = 21,741,322.00/6,809.24
  6. Step 6: Final answer
    x = 3,192.91

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1.5x scale

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.