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Finding the Fourth Proportional to 7,551.52, 10,421.10 and 4,194.88

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Solution

The fourth proportional to 7,551.52, 10,421.10 and 4,194.88 is: 5,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.52 : 10,421.10 = 4,194.88 : x
  2. Step 2: Convert to fraction form
    7,551.52/10,421.10 = 4,194.88/x
  3. Step 3: Cross multiply
    7,551.52x = 10,421.10 × 4,194.88
  4. Step 4: Simplify right side
    7,551.52x = 43,715,263.97
  5. Step 5: Solve for x
    x = 43,715,263.97/7,551.52
  6. Step 6: Final answer
    x = 5,788.94

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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.