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Finding the Fourth Proportional to 7,059.29, 9,741.77 and 3,915.47

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Solution

The fourth proportional to 7,059.29, 9,741.77 and 3,915.47 is: 5,403.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.29 : 9,741.77 = 3,915.47 : x
  2. Step 2: Convert to fraction form
    7,059.29/9,741.77 = 3,915.47/x
  3. Step 3: Cross multiply
    7,059.29x = 9,741.77 × 3,915.47
  4. Step 4: Simplify right side
    7,059.29x = 38,143,539.90
  5. Step 5: Solve for x
    x = 38,143,539.90/7,059.29
  6. Step 6: Final answer
    x = 5,403.31

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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.