Home / 6,506.31-9,761.28-2,124.03

Finding the Fourth Proportional to 6,506.31, 9,761.28 and 2,124.03

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Solution

The fourth proportional to 6,506.31, 9,761.28 and 2,124.03 is: 3,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,506.31 : 9,761.28 = 2,124.03 : x
  2. Step 2: Convert to fraction form
    6,506.31/9,761.28 = 2,124.03/x
  3. Step 3: Cross multiply
    6,506.31x = 9,761.28 × 2,124.03
  4. Step 4: Simplify right side
    6,506.31x = 20,733,251.56
  5. Step 5: Solve for x
    x = 20,733,251.56/6,506.31
  6. Step 6: Final answer
    x = 3,186.64

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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.