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Finding the Fourth Proportional to 6,350.03, 8,762 and 3,990.50

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Solution

The fourth proportional to 6,350.03, 8,762 and 3,990.50 is: 5,506.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,350.03 : 8,762 = 3,990.50 : x
  2. Step 2: Convert to fraction form
    6,350.03/8,762 = 3,990.50/x
  3. Step 3: Cross multiply
    6,350.03x = 8,762 × 3,990.50
  4. Step 4: Simplify right side
    6,350.03x = 34,964,761
  5. Step 5: Solve for x
    x = 34,964,761/6,350.03
  6. Step 6: Final answer
    x = 5,506.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.