Home / 6,806.64-10,207.16-2,125.06

Finding the Fourth Proportional to 6,806.64, 10,207.16 and 2,125.06

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Solution

The fourth proportional to 6,806.64, 10,207.16 and 2,125.06 is: 3,186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,806.64 : 10,207.16 = 2,125.06 : x
  2. Step 2: Convert to fraction form
    6,806.64/10,207.16 = 2,125.06/x
  3. Step 3: Cross multiply
    6,806.64x = 10,207.16 × 2,125.06
  4. Step 4: Simplify right side
    6,806.64x = 21,690,827.43
  5. Step 5: Solve for x
    x = 21,690,827.43/6,806.64
  6. Step 6: Final answer
    x = 3,186.72

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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.