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Finding the Fourth Proportional to 5,173.65, 7,760.48 and 5,125.05

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Solution

The fourth proportional to 5,173.65, 7,760.48 and 5,125.05 is: 7,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.65 : 7,760.48 = 5,125.05 : x
  2. Step 2: Convert to fraction form
    5,173.65/7,760.48 = 5,125.05/x
  3. Step 3: Cross multiply
    5,173.65x = 7,760.48 × 5,125.05
  4. Step 4: Simplify right side
    5,173.65x = 39,772,822.40
  5. Step 5: Solve for x
    x = 39,772,822.40/5,173.65
  6. Step 6: Final answer
    x = 7,687.58

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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.