Home / 7,177.57-9,905.34-4,033.75

Finding the Fourth Proportional to 7,177.57, 9,905.34 and 4,033.75

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Solution

The fourth proportional to 7,177.57, 9,905.34 and 4,033.75 is: 5,566.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.57 : 9,905.34 = 4,033.75 : x
  2. Step 2: Convert to fraction form
    7,177.57/9,905.34 = 4,033.75/x
  3. Step 3: Cross multiply
    7,177.57x = 9,905.34 × 4,033.75
  4. Step 4: Simplify right side
    7,177.57x = 39,955,665.23
  5. Step 5: Solve for x
    x = 39,955,665.23/7,177.57
  6. Step 6: Final answer
    x = 5,566.74

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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.