Home / 6,772.06-9,345.80-3,787.72

Finding the Fourth Proportional to 6,772.06, 9,345.80 and 3,787.72

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Solution

The fourth proportional to 6,772.06, 9,345.80 and 3,787.72 is: 5,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.06 : 9,345.80 = 3,787.72 : x
  2. Step 2: Convert to fraction form
    6,772.06/9,345.80 = 3,787.72/x
  3. Step 3: Cross multiply
    6,772.06x = 9,345.80 × 3,787.72
  4. Step 4: Simplify right side
    6,772.06x = 35,399,231.27
  5. Step 5: Solve for x
    x = 35,399,231.27/6,772.06
  6. Step 6: Final answer
    x = 5,227.25

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1.5x scale

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.