Home / 7,787.37-11,680.94-3,625.05

Finding the Fourth Proportional to 7,787.37, 11,680.94 and 3,625.05

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Solution

The fourth proportional to 7,787.37, 11,680.94 and 3,625.05 is: 5,437.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.37 : 11,680.94 = 3,625.05 : x
  2. Step 2: Convert to fraction form
    7,787.37/11,680.94 = 3,625.05/x
  3. Step 3: Cross multiply
    7,787.37x = 11,680.94 × 3,625.05
  4. Step 4: Simplify right side
    7,787.37x = 42,343,960.96
  5. Step 5: Solve for x
    x = 42,343,960.96/7,787.37
  6. Step 6: Final answer
    x = 5,437.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.