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Finding the Fourth Proportional to 6,459.41, 9,681 and 2,757.30

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Solution

The fourth proportional to 6,459.41, 9,681 and 2,757.30 is: 4,132.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.41 : 9,681 = 2,757.30 : x
  2. Step 2: Convert to fraction form
    6,459.41/9,681 = 2,757.30/x
  3. Step 3: Cross multiply
    6,459.41x = 9,681 × 2,757.30
  4. Step 4: Simplify right side
    6,459.41x = 26,693,421.30
  5. Step 5: Solve for x
    x = 26,693,421.30/6,459.41
  6. Step 6: Final answer
    x = 4,132.49

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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.