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Finding the Fourth Proportional to 7,644.78, 10,549.04 and 4,661.35

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Solution

The fourth proportional to 7,644.78, 10,549.04 and 4,661.35 is: 6,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.78 : 10,549.04 = 4,661.35 : x
  2. Step 2: Convert to fraction form
    7,644.78/10,549.04 = 4,661.35/x
  3. Step 3: Cross multiply
    7,644.78x = 10,549.04 × 4,661.35
  4. Step 4: Simplify right side
    7,644.78x = 49,172,717.92
  5. Step 5: Solve for x
    x = 49,172,717.92/7,644.78
  6. Step 6: Final answer
    x = 6,432.20

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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.