Home / 6,620.03-9,135.28-3,787.46

Finding the Fourth Proportional to 6,620.03, 9,135.28 and 3,787.46

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Solution

The fourth proportional to 6,620.03, 9,135.28 and 3,787.46 is: 5,226.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.03 : 9,135.28 = 3,787.46 : x
  2. Step 2: Convert to fraction form
    6,620.03/9,135.28 = 3,787.46/x
  3. Step 3: Cross multiply
    6,620.03x = 9,135.28 × 3,787.46
  4. Step 4: Simplify right side
    6,620.03x = 34,599,507.59
  5. Step 5: Solve for x
    x = 34,599,507.59/6,620.03
  6. Step 6: Final answer
    x = 5,226.49

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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.