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Finding the Fourth Proportional to 7,798.74, 11,670.32 and 6,248.70

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Solution

The fourth proportional to 7,798.74, 11,670.32 and 6,248.70 is: 9,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.74 : 11,670.32 = 6,248.70 : x
  2. Step 2: Convert to fraction form
    7,798.74/11,670.32 = 6,248.70/x
  3. Step 3: Cross multiply
    7,798.74x = 11,670.32 × 6,248.70
  4. Step 4: Simplify right side
    7,798.74x = 72,924,328.58
  5. Step 5: Solve for x
    x = 72,924,328.58/7,798.74
  6. Step 6: Final answer
    x = 9,350.78

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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.