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Finding the Fourth Proportional to 7,085.46, 9,753.93 and 5,403.90

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Solution

The fourth proportional to 7,085.46, 9,753.93 and 5,403.90 is: 7,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.46 : 9,753.93 = 5,403.90 : x
  2. Step 2: Convert to fraction form
    7,085.46/9,753.93 = 5,403.90/x
  3. Step 3: Cross multiply
    7,085.46x = 9,753.93 × 5,403.90
  4. Step 4: Simplify right side
    7,085.46x = 52,709,262.33
  5. Step 5: Solve for x
    x = 52,709,262.33/7,085.46
  6. Step 6: Final answer
    x = 7,439.07

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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.