Home / 7,924.91-10,914.32-6,125.76

Finding the Fourth Proportional to 7,924.91, 10,914.32 and 6,125.76

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Solution

The fourth proportional to 7,924.91, 10,914.32 and 6,125.76 is: 8,436.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.91 : 10,914.32 = 6,125.76 : x
  2. Step 2: Convert to fraction form
    7,924.91/10,914.32 = 6,125.76/x
  3. Step 3: Cross multiply
    7,924.91x = 10,914.32 × 6,125.76
  4. Step 4: Simplify right side
    7,924.91x = 66,858,504.88
  5. Step 5: Solve for x
    x = 66,858,504.88/7,924.91
  6. Step 6: Final answer
    x = 8,436.50

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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.