Home / 6,621.60-9,137.87-3,637.71

Finding the Fourth Proportional to 6,621.60, 9,137.87 and 3,637.71

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Solution

The fourth proportional to 6,621.60, 9,137.87 and 3,637.71 is: 5,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.60 : 9,137.87 = 3,637.71 : x
  2. Step 2: Convert to fraction form
    6,621.60/9,137.87 = 3,637.71/x
  3. Step 3: Cross multiply
    6,621.60x = 9,137.87 × 3,637.71
  4. Step 4: Simplify right side
    6,621.60x = 33,240,902.89
  5. Step 5: Solve for x
    x = 33,240,902.89/6,621.60
  6. Step 6: Final answer
    x = 5,020.07

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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.