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Finding the Fourth Proportional to 7,014.82, 9,680.98 and 4,030.78

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Solution

The fourth proportional to 7,014.82, 9,680.98 and 4,030.78 is: 5,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.82 : 9,680.98 = 4,030.78 : x
  2. Step 2: Convert to fraction form
    7,014.82/9,680.98 = 4,030.78/x
  3. Step 3: Cross multiply
    7,014.82x = 9,680.98 × 4,030.78
  4. Step 4: Simplify right side
    7,014.82x = 39,021,900.56
  5. Step 5: Solve for x
    x = 39,021,900.56/7,014.82
  6. Step 6: Final answer
    x = 5,562.78

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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.