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Finding the Fourth Proportional to 9,424.56, 13,000.84 and 5,646.64

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Solution

The fourth proportional to 9,424.56, 13,000.84 and 5,646.64 is: 7,789.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,424.56 : 13,000.84 = 5,646.64 : x
  2. Step 2: Convert to fraction form
    9,424.56/13,000.84 = 5,646.64/x
  3. Step 3: Cross multiply
    9,424.56x = 13,000.84 × 5,646.64
  4. Step 4: Simplify right side
    9,424.56x = 73,411,063.18
  5. Step 5: Solve for x
    x = 73,411,063.18/9,424.56
  6. Step 6: Final answer
    x = 7,789.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.