Home / 6,380.78-9,564.08-2,681.91

Finding the Fourth Proportional to 6,380.78, 9,564.08 and 2,681.91

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Solution

The fourth proportional to 6,380.78, 9,564.08 and 2,681.91 is: 4,019.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.78 : 9,564.08 = 2,681.91 : x
  2. Step 2: Convert to fraction form
    6,380.78/9,564.08 = 2,681.91/x
  3. Step 3: Cross multiply
    6,380.78x = 9,564.08 × 2,681.91
  4. Step 4: Simplify right side
    6,380.78x = 25,649,988.38
  5. Step 5: Solve for x
    x = 25,649,988.38/6,380.78
  6. Step 6: Final answer
    x = 4,019.89

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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.