Home / 7,195.81-10,787.32-2,812.27

Finding the Fourth Proportional to 7,195.81, 10,787.32 and 2,812.27

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Solution

The fourth proportional to 7,195.81, 10,787.32 and 2,812.27 is: 4,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.81 : 10,787.32 = 2,812.27 : x
  2. Step 2: Convert to fraction form
    7,195.81/10,787.32 = 2,812.27/x
  3. Step 3: Cross multiply
    7,195.81x = 10,787.32 × 2,812.27
  4. Step 4: Simplify right side
    7,195.81x = 30,336,856.42
  5. Step 5: Solve for x
    x = 30,336,856.42/7,195.81
  6. Step 6: Final answer
    x = 4,215.91

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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.