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Finding the Fourth Proportional to 7,693.40, 11,540.10 and 6,308.30

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Solution

The fourth proportional to 7,693.40, 11,540.10 and 6,308.30 is: 9,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,693.40 : 11,540.10 = 6,308.30 : x
  2. Step 2: Convert to fraction form
    7,693.40/11,540.10 = 6,308.30/x
  3. Step 3: Cross multiply
    7,693.40x = 11,540.10 × 6,308.30
  4. Step 4: Simplify right side
    7,693.40x = 72,798,412.83
  5. Step 5: Solve for x
    x = 72,798,412.83/7,693.40
  6. Step 6: Final answer
    x = 9,462.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.