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Finding the Fourth Proportional to 5,653.72, 7,794.96 and 4,040.56

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Solution

The fourth proportional to 5,653.72, 7,794.96 and 4,040.56 is: 5,570.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.72 : 7,794.96 = 4,040.56 : x
  2. Step 2: Convert to fraction form
    5,653.72/7,794.96 = 4,040.56/x
  3. Step 3: Cross multiply
    5,653.72x = 7,794.96 × 4,040.56
  4. Step 4: Simplify right side
    5,653.72x = 31,495,964.60
  5. Step 5: Solve for x
    x = 31,495,964.60/5,653.72
  6. Step 6: Final answer
    x = 5,570.84

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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.