Home / 7,940.30-10,956.84-4,403.44

Finding the Fourth Proportional to 7,940.30, 10,956.84 and 4,403.44

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Solution

The fourth proportional to 7,940.30, 10,956.84 and 4,403.44 is: 6,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.30 : 10,956.84 = 4,403.44 : x
  2. Step 2: Convert to fraction form
    7,940.30/10,956.84 = 4,403.44/x
  3. Step 3: Cross multiply
    7,940.30x = 10,956.84 × 4,403.44
  4. Step 4: Simplify right side
    7,940.30x = 48,247,787.53
  5. Step 5: Solve for x
    x = 48,247,787.53/7,940.30
  6. Step 6: Final answer
    x = 6,076.32

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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.