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Finding the Fourth Proportional to 8,030.48, 12,047.74 and 2,765.61

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Solution

The fourth proportional to 8,030.48, 12,047.74 and 2,765.61 is: 4,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.48 : 12,047.74 = 2,765.61 : x
  2. Step 2: Convert to fraction form
    8,030.48/12,047.74 = 2,765.61/x
  3. Step 3: Cross multiply
    8,030.48x = 12,047.74 × 2,765.61
  4. Step 4: Simplify right side
    8,030.48x = 33,319,343.31
  5. Step 5: Solve for x
    x = 33,319,343.31/8,030.48
  6. Step 6: Final answer
    x = 4,149.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.