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Finding the Fourth Proportional to 5,618.76, 7,752.81 and 3,494.88

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Solution

The fourth proportional to 5,618.76, 7,752.81 and 3,494.88 is: 4,822.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.76 : 7,752.81 = 3,494.88 : x
  2. Step 2: Convert to fraction form
    5,618.76/7,752.81 = 3,494.88/x
  3. Step 3: Cross multiply
    5,618.76x = 7,752.81 × 3,494.88
  4. Step 4: Simplify right side
    5,618.76x = 27,095,140.61
  5. Step 5: Solve for x
    x = 27,095,140.61/5,618.76
  6. Step 6: Final answer
    x = 4,822.26

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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.