Home / 6,681.20-10,020.26-2,521.64

Finding the Fourth Proportional to 6,681.20, 10,020.26 and 2,521.64

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Solution

The fourth proportional to 6,681.20, 10,020.26 and 2,521.64 is: 3,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.20 : 10,020.26 = 2,521.64 : x
  2. Step 2: Convert to fraction form
    6,681.20/10,020.26 = 2,521.64/x
  3. Step 3: Cross multiply
    6,681.20x = 10,020.26 × 2,521.64
  4. Step 4: Simplify right side
    6,681.20x = 25,267,425.72
  5. Step 5: Solve for x
    x = 25,267,425.72/6,681.20
  6. Step 6: Final answer
    x = 3,781.87

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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.