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Finding the Fourth Proportional to 3,175.03, 4,762.59 and 866.53

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Solution

The fourth proportional to 3,175.03, 4,762.59 and 866.53 is: 1,299.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.03 : 4,762.59 = 866.53 : x
  2. Step 2: Convert to fraction form
    3,175.03/4,762.59 = 866.53/x
  3. Step 3: Cross multiply
    3,175.03x = 4,762.59 × 866.53
  4. Step 4: Simplify right side
    3,175.03x = 4,126,927.11
  5. Step 5: Solve for x
    x = 4,126,927.11/3,175.03
  6. Step 6: Final answer
    x = 1,299.81

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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.