Home / 6,787.12-10,178.28-3,086.24

Finding the Fourth Proportional to 6,787.12, 10,178.28 and 3,086.24

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Solution

The fourth proportional to 6,787.12, 10,178.28 and 3,086.24 is: 4,628.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.12 : 10,178.28 = 3,086.24 : x
  2. Step 2: Convert to fraction form
    6,787.12/10,178.28 = 3,086.24/x
  3. Step 3: Cross multiply
    6,787.12x = 10,178.28 × 3,086.24
  4. Step 4: Simplify right side
    6,787.12x = 31,412,614.87
  5. Step 5: Solve for x
    x = 31,412,614.87/6,787.12
  6. Step 6: Final answer
    x = 4,628.27

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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.