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Finding the Fourth Proportional to 6,762.02, 10,118.35 and 3,990.02

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Solution

The fourth proportional to 6,762.02, 10,118.35 and 3,990.02 is: 5,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,762.02 : 10,118.35 = 3,990.02 : x
  2. Step 2: Convert to fraction form
    6,762.02/10,118.35 = 3,990.02/x
  3. Step 3: Cross multiply
    6,762.02x = 10,118.35 × 3,990.02
  4. Step 4: Simplify right side
    6,762.02x = 40,372,368.28
  5. Step 5: Solve for x
    x = 40,372,368.28/6,762.02
  6. Step 6: Final answer
    x = 5,970.46

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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.