Home / 7,917.40-10,922.84-4,558.41

Finding the Fourth Proportional to 7,917.40, 10,922.84 and 4,558.41

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Solution

The fourth proportional to 7,917.40, 10,922.84 and 4,558.41 is: 6,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.40 : 10,922.84 = 4,558.41 : x
  2. Step 2: Convert to fraction form
    7,917.40/10,922.84 = 4,558.41/x
  3. Step 3: Cross multiply
    7,917.40x = 10,922.84 × 4,558.41
  4. Step 4: Simplify right side
    7,917.40x = 49,790,760.29
  5. Step 5: Solve for x
    x = 49,790,760.29/7,917.40
  6. Step 6: Final answer
    x = 6,288.78

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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.