Home / 4,928.66-6,807.83-3,787.40

Finding the Fourth Proportional to 4,928.66, 6,807.83 and 3,787.40

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Solution

The fourth proportional to 4,928.66, 6,807.83 and 3,787.40 is: 5,231.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.66 : 6,807.83 = 3,787.40 : x
  2. Step 2: Convert to fraction form
    4,928.66/6,807.83 = 3,787.40/x
  3. Step 3: Cross multiply
    4,928.66x = 6,807.83 × 3,787.40
  4. Step 4: Simplify right side
    4,928.66x = 25,783,975.34
  5. Step 5: Solve for x
    x = 25,783,975.34/4,928.66
  6. Step 6: Final answer
    x = 5,231.44

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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.