Home / 8,143.46-11,238.06-4,787.36

Finding the Fourth Proportional to 8,143.46, 11,238.06 and 4,787.36

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Solution

The fourth proportional to 8,143.46, 11,238.06 and 4,787.36 is: 6,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.46 : 11,238.06 = 4,787.36 : x
  2. Step 2: Convert to fraction form
    8,143.46/11,238.06 = 4,787.36/x
  3. Step 3: Cross multiply
    8,143.46x = 11,238.06 × 4,787.36
  4. Step 4: Simplify right side
    8,143.46x = 53,800,638.92
  5. Step 5: Solve for x
    x = 53,800,638.92/8,143.46
  6. Step 6: Final answer
    x = 6,606.61

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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.